Short Answer - Read the Sentence and Fill in the Blank

Short Answer - Read the Sentence and Fill in the Blank

APPLIED SCIENCE MID-TERM:

Name ______Date______

Section 1: ENERGY & the ENVIRONMENT

Short answer - Read the sentence and fill in the blank.

  1. Energy is defined as the ______.
  2. Work means ______.
  3. This picture (below) shows the effects of ______.

acid rain effect on trees jpg

  1. Name at least four kinds of energy: ______
  2. What is the Law of Conservation of Energy? ______
  3. Energy exists in two states. What are the two states of energy? ______
  4. We transform our resources into electricity using a ______. (Hint – remember the diagram of water spinning the turbine).
  5. What is the name of a natural resource that we get from plant waste? ______
  6. Think back to our ice cubes on colored paper experiment outside. What type of energy were we trying to demonstrate? ______
  1. Name three fossil fuels. ______
  2. What does renewable mean? ______

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Answer the questions below by using one of the following vocabulary words in the blank. Each word may be used more than once!

Electrical

Nuclear

Solar

Wind

Chemical

Hydro

  1. ______energy is stored in the nucleus or center of the atom. It usually uses uranium.
  2. A generator converts mechanical energy to ______energy.
  3. ______energy is generated on farms in West Texas to make electricity.
  4. ______energy is generated right here in North Carolina through Duke Energy and its three power plants.
  5. ______energy uses fossil fuels and is not renewable.
  6. ______This type of energy is very expensive, but does not produce pollution. It comes from the sun.
  7. ______means water, and can be used to generate electricity.
  8. ______energy can be converted to heat and electrical energy, and sometimes used mirrors.
  9. ______The potential danger for this kind of energy is a radioactive leak.

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True or False

  1. ______Solar energy is from the sun.
  2. ______A example of biomass could be ethanol from corn or biodiesel from vegetable oil.
  3. ______Most of our energy currently comes from fossil fuels. (remember the bottles)
  4. ______A landfill is a great way to get rid of trash without hurting the earth.
  5. ______Global warming is like blankets over the earth’s atmosphere.
  6. ______Air quality affects the way we live each day and what we breathe.
  7. ______Smog is a cool new invention we use to make energy.
  8. ______In 1952, the Great London Smog occurred.
  9. ______Cars and factories give off harmful gases.
  10. ______People should drive everywhere they can in a car, instead of riding a bike or taking the bus, or walking.
  11. ______Greenhouse gases are good for our earth.
  12. ______Acid rain is a new type of rain that is good for gardens.
  13. ______A radio or light bulb is a form of nuclear energy.
  14. ______A hamburger is an example of chemical energy.
  15. ______Two examples of renewable energy sources are wind and solar.

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  1. Draw an atom. Label all the parts. 

SECTION 2: MATTER

Multiple Choice. Choose the answer that best completes each sentence. Circle the letter of the answer.

  1. Models of atoms help describe their ______, although they cannot be seen.
  2. mass
  3. state of matter
  4. appearance and actions
  5. volume
  6. The particles of ______shake violently at very high temperatures.
  7. solids
  8. liquids
  9. gases
  10. plasma
  11. Of the following, ______is not a compound.
  12. water
  13. oxygen
  14. sodium chloride
  15. salt
  16. The particles in an atom are ______.
  17. compounds
  18. natural elements
  19. molecules
  20. electrons, protons, and neutrons
  21. An element’s atomic number is the same as the number of ______it has.
  22. electrons
  23. protons
  24. neutrons
  25. nuclei
  26. If an element has 4 protons and 5 neutrons, its atomic number is ______.
  27. 1
  28. 4
  29. 9
  30. 20

Short Answer. Write the best answer for each question.

  1. What does the movement of a molecule look like in a solid? ______
  2. What does the movement of a molecule look like in a gas? ______
  3. In a ______, matter takes the shape of the container it is placed in.

Look at the picture.

  1. How many protons and neutrons does the atom have? _____.
  1. How many electrons? ______
  1. What is the element’s atomic number? _____.
  1. Name one example of each of the states of matter listed:

Liquid ______

Gas______

Solid______

Plasma______

Word bank. Choose a word or words from the word bank that best completes each sentence.

Atomnatural elementchemical change

Compoundnucleusphysical change

Elementplasmaliquid

Gassolidmolecules

16.______are the smallest particle of a substance that can still have the properties of the substance.

17. A form of matter with definite volume, but no shape is a (an) ______.

18. A form of matter with no definete shape or volume is a (an) ______.

19. A form of matter with definite shape and volume is a (an)______.

20. A very hot gas made of particles with an electric charge is ______.

21. A ______produces one or more new substances.

22. A ______is a change in appearance of a substance, but the properties are the same.

23. Matter that has only one kind of atom is a (an) ______.

24. The ______is the building block of matter.

  1. A(An) ______is the central part of an atom.
  2. A(an) ______is found in nature.
  3. A (an) ______is a substance that is formed when atoms of two or more elements join together.

Read each example, and decide if it is an example of a physical or chemical change of matter. Then write a P for physical and a C for chemical in the blank.

28. ______melting ice

29. ______burning wood

30. ______breaking glass

31. ______cooking

32. ______digesting food

33. ______painting a room

34. ______lighting a candle

Section 3: Force and Motion

  1. A change in position is called ______.
  1. Gravity
  2. Motion
  3. Energy
  4. None of the above
  1. Stored energy is called ______.
  1. Kinetic
  2. Light
  3. Potential
  4. Solar
  1. The ______states that energy cannot be created or destroyed, but it can be transformed.
  1. Law of Conservation of Energy
  2. Energy
  3. Sir Isaac Newton
  4. Science
  1. The force of attraction between two objects that have mass, (like between a person and the earth) is called______.
  1. Force
  2. Gravity
  3. Motion
  4. None of the above
  1. ______causes all falling objects to have the same acceleration. Air resistance acts on falling objects to slow them down (remember the Leaning Tower of Pisa experiments).
  1. Generator
  2. Speed
  3. Gravity
  4. Kinetic

Section 4: Scientific Method

  1. What are the six steps of the Scientific Method? (remember your memory device!)

______

______

______

______

______

______

  1. What are the three key words usually found in a HYPOTHESIS statement:

______, ______, ______

EXTRA CREDIT: Look at the symbols from the Periodic Table. Underneath each one, write the name of the element.

______

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