STAAR Homework #2

Name: ______

STAAR Homework #2

1. Matter has many physical properties. Some matter can conduct heat. What is another form of energy that some matter can conduct?

A Coldness B Insulator C Conductor D Electrical

2. Which of the following items does not belong with the others? A A piece of paper B A metal paperclip C A rusty tin can D An iron horseshoe

3. A small ice cube was left lying on a table in a warm room for one hour. What state of matter would the ice cube be at the end of the hour? A Gas B Liquid C Solid D Unknown

4. Which of the following is a form of water in its gaseous state? A Sleet B Rain C Vapor D Clouds

5. Which of the following is the best definition of matter? A Anything that you can see and has color B Anything that you can smell or feel C Anything found on the earth D Anything that takes up space and has mass

6. Describe the differences in rotate vs. revolve and what they cause in relation to the Earth: Name: ______

7. Which word is under the wrong heading in the table below? Solid Liquid Gas brick milk steam pencil ice cube ice cube eraser orange juice water vapor A Steam B Pencil C Milk D Ice cube

8. A group of students measured the viscosity of the four liquids pictured above. They simultaneously dropped a marble into each graduated cylinder. The drawings show how the cylinders looked one second after the marbles were dropped. What can you infer (conclude) by looking at the illustration? A The shampoo has less viscosity than the colored water. B Colored water has the greatest viscosity of the four liquids. C Cooking oil would flow faster than corn syrup. D Corn syrup would flow faster than colored water. Name: ______

9. Which of the following can most easily produce a magnetic field? A Water B Electricity C Sunlight D Petroleum

10. The circuit pictured above was created to produce— A light energy B magnetic effects C sound energy D loud vibrations

11. A student wraps a wire around an iron nail. The student then connects the wire to a battery. The nail attracts another nail and they stick together. What force holds the two nails together? A Gravitational force B Magnetic force C Electrical force D Friction force

12. Which of the following is NOT part of an electromagnet? A A wire B A piece of iron C A toothpick D A power source Name: ______

Some students collected data about how three different objects conducted heat. Their results are shown in the table below. Table A Class’s Results Cylinder Temperature Initial Temperature Material After 5 Minutes Copper 22°C 58°C Glass 22°C 48°C Styrofoam 22°C 27°C

Their experimental design is shown in the illustration below.

13. According to the results in Table A, which material is the BEST conductor of heat?

14. According to the data in Table A, which material is the BEST insulator against the movement of heat?

15. Compare and contrast complete vs. incomplete metamorphosis: