Light Sources
Bright vs. Dark
Shadows
Materials and transmission
Sound and Vibration
100

Name a light source you might see in the sky.

sun

100

What do we need to see things?

light

100

What do we call the dark area on a surface when something blocks light?

shadow

100

Which word means light can go through something so you can see through it?

transparent

100

what makes a sound

vibration

200
Name a light source that you might turn on in a dark room

Lamp or flashlight

200

If a surface has a lot of light on it, how does it look?

bright

200

How do you make a shadow with your hand and a flashlight?

put your hand between the flashlight and surface

200

Name a material that lets some light through but not all

wax paper or plastic

200

What travels from a sound source to our ears so we can hear?

vibrations through the air

300

What do we call the place where light comes from?

a source

300

What word describes a place that has a little light but you can still see some things?

dark

300

True or false: A shadow happens because no light reaches that part of the surface.

true

300

What do we call materials that do not let light pass through?

opague

300

Nmae something that vibrates and makes a sound in the classroom

chair, pencil, paper, computer, desk

400

What are two light sources you can find in a classroom?

board, window, lights, computer

400

What word do we use for a place where there is no light at all and you cannot see?

completely dark

400

Name something you can put between a flashlight and a wall to make a shadow in the classroom

hand, pencil, paper, computer

400

If light goes through a material and makes a surface medium bright, what happened?

the material gave some light

400

True or false: If the vibrating part stops, the sound stops.

true

500

Explain why a candle flame is a light source.

the flame gives off light so we can see objects

500

Light comes from a source, so __________.

we can see, so the surface can look bright

500

How is a shadow formed?

An object blocks the light from the source, so the area behind it looks dark

500

Give an example of a material that a light source can show bright, medium bright, and dark area

clear plastic, wax paper, and construction paper

500

describe a way to make sound for a puppet show

rubber band, pencil, spoon hitting a cup

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