Light and Sound 4th Grade

What is a type of electromagnetic energy that is visible that we can see?

• Sound

• Light

• Convex

• Reflection

Light Rays bounce off an object in the same angle it hits an object.

• Reflection

• Refraction

• absorption

• Prism

Tags

NGSS.MS-PS4-2

Light bends when it hits an object.

• reflection

• refraction

• absorption

• Vibration

Tags

NGSS.MS-PS4-2

Light that is absorbed or taken in by an object. The color black absorbs all light energy. The light reflected is the color we see.

• Concave

• Refraction

• Reflection

• Absorption

Tags

NGSS.MS-PS4-2

Convex lens is thinner in the middle. It takes in light and spreads light to make objects look smaller.

• True
• False

Energy produced by vibrations

• Frequency

• Light

• Sound

• Volume

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1

Sound must travel through matter like solids, liquids, or gas. You cannot hear sound in space. Sound travels in waves

• True
• False

Tags

NGSS.MS-PS4-2

Vibration is what?

• the backward and forward movement of an object

• light bending when it hits an object

• loudness or softness

• how high or low sound can be

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1

Define Frequency

• the backward and forward movement of an object

• energy produced by sound

• the number of vibrations per unit of time. The higher the frequency.

• traveling in waves

Tags

NGSS.MS-PS4-1

the loudness or softness of sound

• Volume

• Pitch

• Vibration

• Frequency

Tags

NGSS.MS-PS4-1