Review

Vibrations from an object traveling through matter to your ear is

• heat energy

• light energy

• mechanical energy

• sound energy

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

This energy comes from a source, bounces off an object, and goes into your eye.

• light energy

• heat energy

• wind energy

• sound energy

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

A thermometer measures

• light energy.

• sound energy.

• heat energy.

• wind energy.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Burning your hand on a hot spoon left in a pan on the stove is an example of

• heat transfer called conduction.

• frequency.

• kinetic energy.

• potential energy.

Which of the following is not a characteristic of a solid?

• Has a definite shape

• Has a definite volume

• Can flow from one place to another

• Particles are closely packed together

Which of the following is an example of a physical change in matter?

• Burning wood

• Rusting iron

• Melting ice

• Cooking an egg

Tags

NGSS.MS-PS1-4

What is the main function of a dog's heart?

• To digest food

• To pump blood throughout the body

• To filter water

• To absorb nutrients

Answer explanation

The main function of a dog's heart is to pump blood throughout the body, providing oxygen and nutrients to cells and removing waste products.

Which of the following is an example of a chemical change?

• Dissolving salt in water

• Freezing water into ice

• Burning paper

• Cutting paper into pieces

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of these is the best conductor of electricity?

• wooden spoon

• a piece of string

• plastic fork

• copper wire

What causes the moon's phases

• Where you are standing on Earth

• the amount of sunlight reflected onto the moon from the sun

• The tilt of Earth

• how fast the moon is moving

Tags

NGSS.MS-ESS1-1