Energy and Light

Light travels in _______ until it strikes an object or moves from one medium to another.

• straight lines

• circles

• random directions

• sharp angles

Tags

NGSS.MS-PS4-2

How do objects make sounds?

• by absorbing light

• by vibrating

• by emitting light

• by making particles

Tags

NGSS.MS-PS4-1

Which type of energy can be sensed by the ears?

• thermal energy

• light energy

• sound energy

• electrical energy

Tags

NGSS.MS-LS1-8

NGSS.MS-PS4-1

Light and heat are two different forms of _______.

• matter

• solids

• energy

• motion

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

When Frank pedals his bicycle, he is giving it _______ energy.

• mechanical

• light

• thermal

• electrical

When an object gets more thermal energy, the object becomes

• faster

• less heavy

• warmer

• dimmer

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What kind of energy travels through water better than through air?

• sound

• mechanical

• heat

• light

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Would a big drum sound different from a little drum if everything else about them is the same?

• The big drum should sound different only if it is struck harder than the little drum.

• The drums will sound the same all the time.

• The little drum should sound different only if it is played with a stick.

• The drums should sound different because they vibrate at different speeds.

On a very cold day, people can often be seen rubbing their hands together.

Why do people do this?

• This creates friction, which produces heat to warm their hands.

• This creates friction, which makes their hands numb.

• This creates static electricity, which helps warm their hands.

• They do this to take their minds off the cold. It doesn't actually do anything.

Tags

NGSS.MS-PS1-4

An object with a large amount of _______ would be painful to touch.

• light energy

• mechanical energy

• thermal energy

• sound energy

Tags

NGSS.MS-PS1-4