Chemist Mrs. Suzan Fawzy

Primary four

2011 / 2012

Supervisor of Science Chemist Mrs. Suzan Fawzy

Quiz 1 Lesson one:- The digestive System

[1] Complete:- 1- The teeth and tongue are existed in …………………. 2- The teeth number in an adult are ……………… 3- Each jaw has …………… teeth divided into 4 …….…….. , 2 …….………. and 10 ……………… 4- Incisors and canines …………………… and ……………… food into small pieces while molars ………………….. the food. 5- There are ……………….. pairs of salivary glands 6- The digestive system consists of …………… & …………… 7- The alimentary canal begins with…………& ends with ………………… 8- Salivary glands secretes ……………..in the …………… 9- Liver secretes ……………… in the …………….. 10-……………&………….. secrete their enzymes in the small intestine. 11-Saliva changes …………….. to simple …………….

-1- 2- Give the scientific term :- 1- It is secreted in the mouth to change starch to simple sugar. (……………………) 2- The transfer of the digested food to the blood. (……………………) 3- The organ which secretes bile in the small intestine. (……………………) 4- It is tube which the food passes through, begins with the mouth & ends with the anus. (……………………)

3- Give reason for:- 1- Oil soluble in water when you add some bile to it. …………………………………………………………………………………………… ……………………………………………………………………………………………

2- When you chew a piece of bread you feel a sweet taste. …………………………………………………………………………………………… ……………………………………………………………………………………………

3- Saliva is produced by the salivary glands. …………………………………………………………………………………………… …………………………………………………………………………………………..

-2- 4 What is the function of each of the following? 1- Bile. …………………………………………………………………………………………… …………………………………………………………………………………………… 2- Salivary glands. …………………………………………………………………………………………… . …………………………………………………………………………………………. 3- Saliva. …………………………………………………………………………………………. …………………………………………………………………………………………. 5- Label the following diagram:- A) 1- ……………… 2-……………… 3-……………… 4-……………… 5-……………… 6-……………… 7-……………… 8-……………… 9-……………… 10-……………… 11-………………

B) What is the function of number (9)? C) Organ number (12) helps in the digestion of ………………

Quiz 2 Lesson two:-

Respiratory System

Complete:- 1- …………………. Muscle helps the mechanism of respiration. 2- Fish respires the dissolved Oxygen in water through ……… 3- The ………….…….. prevents the food to enter the trachea during swallowing . 4- The exchange of gases takes place in the ………….. in the lungs. 5- During exhalation the volume of chest cavity …………… & the air comes out of the lungs. 6- The ………….……… separates the thoracic cavity from abdominal cavity. 7- The nose contains ………………..that worm the air. 8- The nose contains ………….&…..……. that filter the inhaled air from dust. 9- The food is broken down in the body ………………. in the presence of …………….….. to release …………………. -4- 2- Join:- (A) (B) 1- Diaphragm a- is the organ of respiration in the body. b- is the organ that separates between the chest 2- Larynx cavity & abdominal. c- allows the air to pass from the nose to the lungs d- joins between the larynx & nose 3- Air sacs e- is the organ that joins between the pharynx & 4- Lungs trachea. f- are found in lungs & surrounded by blood 5- Nose capillaries where gases exchange takes place.

6- Gills g- contains blood capillaries to warm inhaled air h- is the organ of respiration in fish. 7- Trachea

1 2 3 4 5 6 7

-5- 3- Write the scientific term:- 1- It is beginning of the respiratory system. (…………….……)

2- It lies between the pharynx & trachea. (…………….……)

3- It is the process by which living organisms obtain their energy. (………….………) 4- The organ which is responsible for producing the human voice. (…………………)

5- It separates the thoracic cavity from the abdomen. (………….………)

6- The organ which closes the trachea during swallowing. (………….………) 4- Label the following diagram: 1- ……………………………… 2-………………………………. 3-………………………………. 4-………………………………. 5-………………………………. 6-………………………………. 7-……………………………….

-6- 5- Give reason for:- 1- During running, number of inhalations increase. …………………………………………………………………………………………… …………………………………………………………………………………………… 2- Air sacs are surrounded by blood capillaries. …………………………………………………………………………………………… ……………………………………………………………………………………………

3- During swallowing, the food doesn't enter the trachea. …………………………………………………………………………………………… ……………………………………………………………………………………………

Best of Luck Chemist/ Mrs. Suzan Fawzy For more questions, please open web site www.sfls_heliopolise.com -7-

Quiz 3 Lesson three :-

The cell Complete:-

1- The building unit of animals is called ……………… 2- The cell consists mainly from …………..,……….,………… 3- The building unit of the living organisms is called ……………. 4- The building unit of plants is called ………………… 5- Animal cell is surrounded from outside by …………….. while plant cell is surrounded by …………………. 6- Tissue is formed of similar …………………, while the system is formed of a group of ……………….. 7- Yeast fungus contains nucleus , ……………………… and a wall that determines the ………………………. 8- From the economic importance of the yeast fungus is ……………… and ……………………..

2- Give reasons for:- 1- Cells of the human body are different. …………………………………………………………………………………………… …………………………………………………………………………………………… Animal cells differ in shape & size. …………………………………………………………………………………………… ………………………………………………………………………………………….. -8- 3- Write the scientific term:-

1- The oval shaped part of a cell. (…….……………..) 2- The fluid which surrounds the nucleus. (……….…………..) 3- It surrounds the cytoplasm in the plant cells. (……….…………..) 4- The building units of living organisms. (………….………..) 5- It absorbs sun light to make photosynthesis in the plant cells. (…………………..) 4- Put (  ) or ( × ) and correct ( × ) one:- 1- Cytoplasm is found in all the living organisms. ( ) 2- The systems of living organisms are formed of organs. ( ) 3- A group of tissues form a system. ( ) 4- The basic unit of the living organisms is called cell. ( ) 5- The human body is formed of a group of systems. ( )

5- Label the following diagram:- 1) ……………….. 2)……………….. 3)………………. 4) ………………. 5) ……………….

This figure show the structure of …………………….. ______6- Label the following diagram:-

1) ………………..

2)………………..

3)……………….

4) ……………….

5) ……………….

This figure show the structure of ……………………..

Best of Luck Chemist/ Mrs. Suzan Fawzy For more questions, please open web site www.sfls_heliopolise.com

Quiz 4 Lesson four :- The importance of sunlight to living organisms 1- Complete:-

1- Plant cells contain ……………………. which give the plants the green colour and absorb …………………………

2- Plant absorb light energy from ……………………. , water and salts from ……………………….. and carbon dioxide from ……………………… in order to form their food in a process called ………………………

3- Plants make their own ………………. by …………. process.

4- During testing for starch we put the green leaf in alcohol to ……………

5- We can test for starch by using …………………….

6- During photosynthesis ………… gas is released and ………. gas is used. 7- Green plants are called …………. while animals are called …………….

8- ……………….. gas is necessary for plant to respire while ……………… gas is necessary to make photosynthesis .

9- Green plants are called …………. because they make their own food.

10- Examples of consumers are ………………. , ……………… and ………………

11- Bacteria and fungi are ……………………….

12- From the importance of decomposers are ……………….., ……………..

[2] Classify the following living organisms according to the way of their feeding

4- lion : ………………………………………….. 5- Hawk : …………………………………………..

6- Bread mold fungus : …………………………………………..

7- Green plants: ………………………………….

[3] Define :-

1- Producers : …………………………………………………………………………………………… ……………………………………………………………………………………………… 2- Consumers: …………………………………………………………………………………………. ……………………………………………………………………………………………… 3- Decomposers: ……………………………………………………………………………………. ……………………………………………………………………………………………… [4] Give reasons :- 1- Green plants are called producers . ……………………………………………………………………………………………… ……………………………………………………………………………………………… 2- Decomposers have a great economical and environmental importance. ……………………………………………………………………………………………… ……………………………………………………………………………………………… 3- Dogs and Cats are called consumers ……………………………………………………………………………………………… ………………………………………………………………………………………………

Best of Luck Chemist/ Mrs. Suzan Fawzy For more questions, please open web site www.sfls_heliopolise.com -13- Quiz 5 Lesson five :- Energy paths through living organisms [1] Complete:-

1- Food chain is ……………………………………………………………………………….. 2- Food chain begins with a ………………… and ends with a …………………

3- When a group of food chains connects with each other these food chains form a ……………………………..

4- By the death of consumers the energy transfer into the …………….. through …………………..

5- Human being is considered as ……………………. in the food chain.

6- In green plants …………………… energy is changed into ………………. energy stored in a form of food.

[2] Write three food chains one of them in the sea, one in forest and the other in desert : [3] Give reasons

1- All food chains end with decomposers ……………………………………………………………………………………………… ………………………………………………………………………………………………

2- All food chains begin with producers ……………………………………………………………………………………………… ………………………………………………………………………………………………

3- Green algae are considered as producers ……………………………………………………………………………………………… ………………………………………………………………………………………………

[4] What happens in each of the following?

1- There are no decomposers. ……………………………………………………………………………………………… ………………………………………………………………………………………………

2- There are producers on the earth. ……………………………………………………………………………………………… ……………………………………………………………………………………………… Best of Luck

Chemist/ Mrs. Suzan Fawzy -15- Quiz 6 Lesson Six :- Force and its Effect [1] Complete:-

1- Force is an ………………. that change from the state of the object and it is measured by ……………………. unit related to the scientist …………………...

2- The motion increases by …………………….. the force.

3- Force causes the ……………………. of objects and their rising.

4- From the examples of technological applications that depend on force in its motion are ………………….. , …………………… and …………………

5- Electric fan rotates by the effect of ……………….. force. 6- ……………….. and ……………….. depend in its rising on the effect of force.

[2] Write the name of force that move the following objects from rest :- 1- A car : …………………………………………………..

2- A kite : …………………………………………………..

[3] By using a rope and pulley how can you rise a heavy object to upwards?

[4] Give the scientific term :- 1- It is an effect that change from the state of the object. ……………………………………………………………………………………………… 2- The measuring unit of force. ……………………………………………………………………………………………… [5] Choose the correct answer:- 1- Force is an effect that change …………………………… [speed of object – state of object – rest of object – all the previous answer ] 2- Force measuring unit is the …………………… [kilogram – meter – Newton – second ] 3- Electric fan rotates by the effect of …………………. force. [water pushing – air pushing – motor pushing – hand pushing] -17- [6] What is meant by:-  Force: …………………………………………………………………………….

[7] Correct the underlined words:- 1- Electric fan depends in its rising the effect of force. ………………………… 2- Gears make the motion of machines easy. ………………………… 3- Pulleys transfer the motion in machines. ………………………… Best of Luck Chemist/ Mrs. Suzan Fawzy

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-18- Quiz 7 Lesson Seven :- Force and Speed [1] Complete:-

1- Motion is ………………………

2- The speed of an object is ………………………

3- The scientist who invented the steam engine was …………….

4- The scientist who explained the reasons of stability of moon in its orbit around the earth was …………………….

5- Unit of speed measurement is ……………………..

6- By increasing the effect force on an object, its speed …………

[2] Arrange the following machines in an ascending order according to their speed. Machine Train Bicycle Ship Satellite Space rocket Speed 70 20 35 1000 22100 km/h

Machine Speed km/h

[3] Write the scientific term:-

1- It is the change in place or position of an object in relation to the time. ……………………………………………………………………………………… 2- It is the distance that traveled by an object in one second. ……………………………………………………………………………………… 3- The measuring unit of speed. ……………………………………………………………………………………… 4- The scientist who discovered the watch pendulum. ……………………………………………………………………………………… 5- The scientist who invented the steam engine. ………………………………………………………………………………………

[4] Choose the correct answer:-

1- The motion is the change in ………………….. of an object in relation to the time. [rest – position – mass – size] 2- The speed is the ………………….. traveled in a second in a certain direct. [mass – distance – volume – force]

3- By increasing the effective force of an object, its speed ……………..

[stills constant – decreases – increases – become at rest]

[5] Put ( √) or ( × ):-

1- Speed is determined by knowing the distance only.( )

2- Speed of an object increases by the increasing of the force affecting it. ( )

3- The measuring unit of speed is the meter. ( )

4- The change in the position of an object in relation to time is speed. ( )

[6] What is meant by:- 1- Motion:- …………………………………………………………………………

2- Speed :- ………………………………………………………………………….

[7] Who am I ?

1- I was the pioneer in water tools industry.

……………………………………………………………………………………………

2- I made a type of telescopes called “The reflecting telescope.”

……………………………………………………………………………………………

3- I was the leaser of the industrial revolution and I invented the steam engine.

……………………………………………………………………………………………

Quiz 8 Lesson Eight :- Forms of energy [1] Complete:- 1- Energy is the ability to do ……………………… 2- From forms of energy ……………….. , …………… and …………..

3- Sound is produce due to …………………… of objects.

4- On rotation of spring ………………… energy changes into …………………… energy.

5- When rub your hands together ………………….. energy changes into …………………… energy. 6- In …………………….. , kinetic energy changes into electric energy.

7- In electric lamp, …………….. energy changes into …………….. energy.

8- In electric motor, ……………… energy changes into …………… energy.

9- In solar cells …………………… energy changes into …………….. energy.

10-By magnifying lens, ……………………. Energy changes into ……………….. energy.

[2] What happen when ? 1- Sun rays falls on the lens that put over a paper?

……………………………………………………………………………………………….

2- Rub your hand together?

……………………………………………………………………………………………….

3- A piece of rubber is pulled and fixed from its ends then leaving it?

……………………………………………………………………………………………

1- The energy that produced from vibration of object.

(……………………….)

2- The ability to do work. (……………………….)

3- Tool used to change light energy to heat energy.

(……………………….)

4- Tool that used to change light energy to kinetic energy.

(……………………….) 5- Equipment that change kinetic energy into electric energy.

(……………………….)

[4] Mention the changes of energy in the following cases:-

Used energy Produced energy 1- Solar healer ……………………….. ……………………….. 2- Solar cells ……………………….. ……………………….. 3- Battery ……………………….. ……………………….. 4- Dynamo ……………………….. ……………………….. 5- Electric motor ……………………….. ……………………….. 6- Radio ……………………….. ……………………….. 7- Electric fan ……………………….. ……………………….. 8- Violin ……………………….. ………………………..

Best of Luck Chemist/ Mrs. Suzan Fawzy

For more questions, please open web site www.sfls_heliopolise.com

Quiz 9 Lesson Nine :- Sources of Energy [1] Complete:- 1- The sun is the main source of …………………… on the surface of Earth. 2- ………………….. is necessary for growth of plants and human life. 3- Sun heat is responsible for the …………………… of water of seas, oceans and rivers forming ……………………… 4- ……………………….. is the main source in the formation of petroleum and coal.

5- The sun generating wind that rotates ………………… for generating ……………………….

6- Solar heaters is used for …………………………

7- Petroleum is formed from the decomposing of ……………… under the effect of high …………………….. and …………………

8- From renewable resources of energy are …………………. , ……………………… and ……………………

9- ………………… , …………………… and …………………. are from non- renewable resources of energy.

10-…………………………. gas is one of the more cleanest forms of fuel. -25-

[2] Put ( √) or ( × ):-

1- Solar energy provides us by heat to warm our bodies. ( )

2- Car motor works by natural gas or benzene. ( )

3- Wind is one of non- renewable resources of energy. ( ) 4- San and petroleum from renewable resource of energy ( )

5- Fuel is the main source of generating wind helping us in getting electricity. ( )

[3] Choose the correct answer:-

1- From renewable resource of energy ………………

[wind – coal – petroleum – natural gas]

2- from non-renewable resource of energy ………………..

[wind – sun – water falls – coal ]

5- …………………. Changes light energy into electric energy

[solar heater – solar cells – motor]

6- ……………….. is the main factors in the formation of the fuel that is used in machine operation

[natural gas – petroleum – sun ]

7- ………………….. is the rising of water level of sea

[ebb – tide – water falls]

-26- [4] Give reason :-

* It’s perfumed to use natural gas other than coal?

……………………………………………………………………………………………… ……………………………………………………………………………………………….

[5] Classify the following resources into renewable and non- renewable resources:-

Sun – coal – water falls – wind – petroleum – natural gas – wind – rising ebb and tides

Best of Luck Chemist/ Mrs. Suzan Fawzy For more questions, please open web site www.sfls_heliopolise.com

Quiz 10 Lesson Ten:- The electricity [1] Complete:- 1- Types of electricity are …………………….. electricity and …………………. Electricity. 2- From home equipments that works by electricity are ………………………. and ……………………..

3- The components of electric circuit are ……………………. , …………………….. , …………………… and ……………………

4- Current electricity is the …………………….. flow through connecting wires for ………………….. distance. 5- Rubbing objects generates ……………………. electricity.

6- In the electric circuit ………………. is the source of electric current

[2] What is meant by :- 1- Static electricity. ……………………………………………………………………………………. 2- Current (dynamic) electricity. ……………………………………………………………………………………. 3- Electric circuit. …………………………………………………………………………………….

[3] What happens when:-

1- Rubbing your hair by a comb.

……………………………………………………………………………………. 2- Removing the battery from a closed electric circuit.

……………………………………………………………………………………. [4] Give reasons:-

1- Attracting small bits of paper to a ruler that was rubbed your hair.

……………………………………………………………………………………. 2- Battery is the main part of the electric circuit.

…………………………………………………………………………………….

1- It is the source of electric current in the electric circuit.

(…………………………)

2- It is used to close and open the electric circuit.

(…………………………)

3- They are used to transfer electric current from battery to

lamp. (…………………………)

4- It is the path of electric current. (…………………………)

-29- Practical Science Primary 4 -30- Lesson one

Experiment [1] Animal cell

- Label the following figure :- 3 1 1) ………………..

4 2)………………..

3)………………. 2

4) ……………….

______Experiment [2]

Label the following diagram:- Plant cell

1) ……………….. 1

2 3 2)………………..

4 3)……………….

4) ………………. -31-

Lesson (2) :

The Digestive system

Experiment (3)

(A) This figure represents …………………

(B) Label the following diagram:-

1- ……………… 1

2-………………

3- ……………….

Lesson (3) :

The respiratory system

Experiment (4)

Label the following diagram:-

1- ………………………… 2

1 2- …………………………

3- …………………………

4- …………………………

Lesson (4) :

The importance of sunlight Experiment (5)

Classify the following into : producer consumer and decomposer

1- Dog → …………………

2- Lion → …………………

3- Corn plant → …………………

4- Yeast fungus → …………………

5- Green algae → ………………… -34-

Lesson (5) :

Energy paths through living organisms

Experiment (6)

Re-arrange the following food chains:-

1- Rat → green plant → snake

2- Green plant → snake → rabbit

3- Water beetle → fish → green algae → shark

4- Deer → lions → green plant -35-

Unit (2) Lesson (1) :

Force and its Effect

Experiment (7)

Write the name of the force that moves the following:-

1-A bicycle → ………………………..

2-A wheel barrow → ………………………..

3-A kite → ……………………….. 4-A car → ………………………..

Forms of energy and their changes

Experiment (8)

Complete the following:- 1- The electric fan changes ………………….. energy into …………………… energy.

2- The radio changes ………………….. energy into ……………….. energy.

3- The violin changes kinetic energy into …………………… energy.

Sources of Energy Experiment (9)

Classify the following into renewable and non-renewable sources of energy

1- Wind → ………………………..

2- Natural gas → ………………………..

3- Petroleum → ………………………..

4- Water falls → ………………………..

5- The sun → ……………………….. -38- Unit (2) Lesson (4) :

The electricity

Experiment (10)

A)What happens when :-

1- Rubbing a plastic ruler by a piece of wool

………………………………………………………………………………………

2- Removing the battery from a closed electric circuit

………………………………………………………………………………………

3- Closing a charged balloon to a wall

……………………………………………………………………………………… 4- We use the electric current at home for performing an

activity.

………………………………………………………………………………………