Science Prep 4

Where does light come from?

• Only the sun

• The sun and luminous objects

• Lights

• The moon

Which objects below are luminous? You can choose more than one

• mirror

• lamp

• moon

• sun

Which objects below are NOT luminous?

• book

• ipad

• television

• bread

What does reflective mean?

• when an object bounces off light

• when an object absorbs light

• when an object gives light

• when an object is dark

Glass is one example of (light sources / not light sources).

• light sources

• not light sources

The examples of light sources are . . . .

• candle and book

• firefly and star

• street light and moon

Volcanic lava and campfire are light sources. They can give off light. However, they have different feature. Volcanic lava is natural light source, meanwhile campfire is . . . light source.

• man made

• natural and man made

• natural

You can not see when there is no . . . from light sources enter your eyes.

• light

• water

• food

We can see our shadows if we stand under the sun. We . . . the sun.

• block

• touch

• see

When electricity at our home is turn off and there is no light at night, the things we need are . . . and . . . to help us in darkness.

• glasses and flashlight.

• candle and flashlight

• lamp and sun