SCIENCE (Grade 3) Force, LIGHT, SOUND

It is the main source of energy

• sun

• star

• moon

• bulb

Objects that give off their light.

• non luminous

• luminous

• opaque

• transparent

materials like wax paper and frosted glass allow only a small amount of light to pass through them.

• opaque

• transparent

• translucent

• non luminous

Clear plastic is a _________material that allows you to see image of the object behind it.

• opaque

• transparent

• translucent

• luminous

________allows us to see colors

• Light

• wave

• dark

• force

______cannot produce their own light.

• luminous

• non luminous

• sun

• opaque

Materials that do not allow light to pass through them. The examples of these are cardboard and wood.

• Transparent

• translucent

• opaque

• non luminous

Materials that allow only a tiny amount of light to pass through them.

Examples of these are wax paper and frosted glass.

• opaque

• transparent

• translucent

• luminous object

Materials allow you to see the image of the objects behind it.

The examples of these are clear glass and clear plastic sheets.

• transparent

• translucent

• opaque

• luminous

Some living things give out light energy, too, such

Check all that apply.

• firefly

• plant

• jellyfish

• starfish