Unit 7 & 8 Test

Name:

SC.4.P.10.1 1. Akiko picks up a book from the ground. She drops it back on the ground. Which type of energy is Akiko demonstrating as the book falls?

• energy of motion
• energy of sound
• energy of light
• energy of heat

SC.4.P.10.1 2. A book falls on the floor. Which is the main form of energy that results when the book strikes the floor?

• heat energy
• kinetic energy
• sound energy
• chemical energy

SC.4.P.10.1 3. Vanya toasts a piece of bread in a toaster connected to a wall outlet. Which is the source of energy for the toaster?

• heat energy
• light energy
• electrical energy
• chemical energy

SC.4.P.10.4 4. Solar energy is one type of alternative energy currently being investigated. Which of these is a benefit of solar energy?

• Solar energy is not renewable.
• Solar energy does not pollute the air.
• Solar energy is the most effective fossil fuel.
• Solar energy cannot be converted into other forms of energy.

SC.4.P.10.3, SC.4.N.1.6 5. Matthew and Abigail are investigating the sound made by rubber bands. They listen to the sound. Then they carefully write what they heard. Which of the following gives the best reason that they do this?

• They want to plan a good investigation.
• They want to have good records of their observations.
• Their good observations are their conclusions.
• They want to ask the right scientific questions about sound.

SC.4.P.10.4 6. The following diagram illustrates the process of photosynthesis. What type of energy is responsible for powering photosynthesis?

• light energy
• heat energy
• wind energy
• electrical energy

SC.4.P.10.4 7. The image below shows a calculator. What type of energy makes this calculator work?

• heat energy
• water energy
• solar energy
• wind energy

SC.4.P.10.4 8. The circle graph below compares the amounts of energy from different sources used in the United States in 2007. How much more energy did nuclear power provide than hydroelectric power?

• 6%
• 13%
• 17%
• 19%

SC.4.P.10.4, SC.4.P.10.1 9. The energy of flowing water can be converted into other forms of energy. Which form of energy does moving water possess that can be converted into other forms of energy?

• electrical energy
• gravitational energy
• kinetic energy
• wind energy