Science Unit 5 Test Review

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

• light energy

• electrical energy

• mechanical energy

• chemical energy

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NGSS.MS-PS3-4

The illustration shows an electric circuit consisting of a battery and 3 light bulbs. What type of circuit is shown in the diagram?

• open 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

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The picture shows a device made of a battery, a nail, and a long piece of copper wire. It converts electrical energy into a different form of energy. Which term below describes the device in the illustration?

• electric switch

• electromagnet

• electric motor

• electric generator

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

• chemical

• electrical

• heat

• light

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When you hear 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 long the source

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

• chemical energy in Fischer's muscles

• kinetic energy from the rolling wheels

• potential energy from the ground below

• gravitational energy pulling on the wagon

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

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

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NGSS.MS-PS3-1

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Kassandra 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

Anton has a circuit made up of a battery, a light bulb, some wires, and a metal rod as a switch. Ryan replaces the metal rod with a wooden rod. When he closes the new switch, what will Ryan most likely observe?

• flashing bulb

• warmer bulb

• unlit bulb

• brighter bulb