Unit 5 Test: Energy

What is the sum of the kinetic and potential energy of an object?

• Light Energy
• Electrical Energy
• Mechanical Energy
• Chemical Energy

What type of circuit is shown in this diagram?

• Closed Circuit
• Double Circuit
• Parallel Circuit
• Series Circuit

What is potential energy?

• Energy something has because of its position or condition
• Energy something has because of its motion
• Energy that comes from an electric current
• Energy that comes from a chemical change

Which term below describes the device in the illustration?

• Electric Switch
• Electromagnet
• Electric Motor
• Electric Generator

Ed cooks a pizza in a gas oven. Which form of energy cooks the pizza?

• Chemical
• Electrical
• Heat
• Light

When you hear a sound, it has a pitch. What is change in pitch most related to?

• How big the vibration is
• How small the vibration is
• How fast the source vibrates
• How slow the source vibrates

Sam pulls his sister in a wagon on a flat sidewalk. Which is the source of energy that moves the wagon?

• Chemical energy in Sam's muscles
• Kinetic energy from the rolling wheels
• Potential energy from the ground below
• Gravitational energy pulling on the wagon

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

Sue 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

A key lists the symbols used for the parts of the circuit diagram shown below. What is the purpose of the battery in the circuit?

• To use the electric current
• To connect the components
• To provide a source of energy
• To slow the flow of electricity