Light travels in

• compression waves

• straight lines

• curved lines

• mechanical energy

Tags

NGSS.4-PS4-1

The length of a shadow depends on the _________ of the light.

• angle

• brightness

• sound

• reflection

Tags

NGSS.5-ESS1-2

Objects that vibrate slowly make a sound with a __________ pitch.

• quiet

• high

• low

• loud

Tags

NGSS.4-PS4-1

When people speak their ________ vibrate.

• ear drums

• vocal chords

• ears

• tongue

Tags

NGSS.4-PS4-1

Which is an example of light energy?

• sun

• candle

• electricity

• all of the above

Tags

NGSS.4-PS3-2

Light is made up of only one color.

• True

• False

Light energy can be seen.

• True

• False

Tags

NGSS.4-PS4-2

Light happens when matter vibrates.

• True

• False

Tags

NGSS.4-PS4-1

Sound travels through solids, but not through liquids and gases.

• True

• False

Tags

NGSS.MS-PS4-2

Humans and animals can all hear the same sounds.

• True

• False

Tags

NGSS.MS-LS1-8