Light Energy Lesson

The energy which must present to make our eyes able to see the objects around us,is ..............energy.

• sound

• electric

• light

• magnetic

Tags

NGSS.MS-PS4-1

Fishing cat can see at night, as follows…………….

• light falls on the eyes, then reflected to the objects.

• light falls on the objects, then reflected into the eyes.

•   sound falls on the eyes, then reflected to the objects.

• sound falls on the objects, then reflected into the eyes.

Tags

NGSS.MS-LS1-8

Both light energy and sound energy,…………….

• can be seen.             

• cannot be seen

• the light energy can be seen, while sound energy cannot be seen.

• the sound energy can be seen, while light energy cannot be seen.

Light is the only form of energy that is needed to see the surroundings.

• True

• False

Tags

NGSS.4-PS4-2

The glow sticks produce light for a short amount of time. The light from the glow stick is a conversion from what to what?

• thermal to light

• gravitational to potential

• radiant to electrical

• chemical to light

Tags

NGSS.MS-PS1-2

          What happens if ….?

    light doesn't bounce off an object into our eyes.

• we cannot see this object.

• we can see this object.

Tags

NGSS.MS-PS4-2

The function of tapetum lucidum, looks like the function of

• night vision goggles

• white paper.

• black paper

• radio.

Light energy that can be collected with solar panels and converted into electricity is evidence that

• Light is traveling in a straight line

• Light is a mixture of different colors

• A wave is a state of mater

• Light transfers energy

Tags

NGSS.MS-PS4-2

A laser used by scientist is an example of

• Light energy

• Medical Projects

• Solar panels converting

• Colors separating with a prism

Tags

NGSS.MS-PS4-2

Light rays are ________ lines that light travels in

• Straight

• Wavy

• Horizontal

• Vertical