Science Chapter 4 Study Guide



Science Chapter 4 Study Guide

Lesson 1 – What is Electricity?

1. Define static electricity and give an example.

2. What does it mean when opposite charges attract to each other?

3. How long will static electricity stay in an object?

4. Explain the process of lightning.

5. Define current electricity and give an example.

6. Why is current electricity more useful than static electricity?

7. Explain how a circuit allows electricity to flow.

8. Give some examples of a closed circuit.

9. Define series circuit and parallel circuit. Give examples of each.

10. Compare and contrast series and parallel circuits. Use a Venn diagram.

[pic]

11. Define conductors and insulators. Give examples of each.

12. Compare and contrast conductors and insulators. Use a Venn diagram.

[pic]

13. What is the purpose of a switch and give an example.

Lesson 2 – How are Electricity and Magnetism Related?

1. Define magnet.

2. Explain how magnets are the same yet also different.

3. Explain how the force of a magnet can be both strong and weak?

4. Define magnetic poles and magnetic fields.

5. Explain the relationship between magnets poles and static electricity.

6. Define electromagnet.

7. Compare and contrast electromagnets and magnets. Use a Venn diagram.

[pic]

8. Define generator and electrical motor.

9. Compare and contrast generator and electrical motor. Use a Venn diagram.

[pic]

10. Give three examples of where magnets are commonly used.

Lesson 3 – What are some sources of Electricity?

1. Define potential and kinetic energy and give an example of each.

2. Compare and contrast potential and kinetic energy. Use a Venn diagram.

[pic]

3. Define hydroelectric power.

4. Explain how water is used to generate electricity.

5. Define geothermal energy.

6. What are the uses of geothermal energy?

7. Define solar power.

8. What are the common uses of solar power?

Lesson 4 – How do people use Energy Resources?

1. How is electricity uses at home and in businesses?

2. Define chemical and mechanical energy.

3. How is chemical energy changed?

4. What are fossil fuels?

5. What will happen when fossil fuels are gone?

................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download