The way we see things

what is light?

• energy that you can see

• energy used for heat

• is just an energy

• light is light of course

Light always travels in a ____________ line.

• straight

• curved

• elliptical

• none

The intensity of the light can be measured using a _______________.

• intensity

• volt meter

• stop watch

• light meter

The unit of light intensity is ____

• Meter

• lamp

• lux

• volt

Which place will have the highest light intesity during sunny clear daytime?

• in the attic

• in the storage room

• in the classroom

• at the school yard

What is the correct order of what happens when our eyes see the flower in the picture:

1. the light bounces off,

2. the light enters the boy's eyes,

3. the sunlight hits the flower.

• 1-2-3

• 2-1-3

• 3-1-2

• None of these

You are enabled to see objects because...

• light travels out of your eyes and onto an object.

• light travels out of an object.

• light reflects off of an object and into your eyes.

• light brightens up objects.

Allows most light through

• Reflection

• Refraction

• Translucent

• Transparent

Opaque means...

• No light passes through it
• All light passes through it
• Some light passes through it

Tags

NGSS.5-PS1-1

NGSS.5-PS1-3

Which is translucent?

• tissue paper
• air
• wood
• clear plastic

Tags

NGSS.MS-PS4-2