P4 Science HBL: Light and Shadows

Which is NOT a source of light?

• firefly

• ball

• sun

• torch

Which source of light is natural?

• fireworks

• lightbulb

• lightning

• headlights

A shadow is formed when...

• an object blocks the light

• an object lets light pass through

• an object is above light

Shadows are shortest ...

• at night

• in the morning

• in the middle of the day

• in the evening

If most light can pass through an object, the object is ____

• translucent

• opaque

• transparent

An opaque object means that ...

• light passes through it

• no light passes through it

• some light passes through it

• you can see through it

Translucent objects let only some light pass through.

• False

• True

We can only see objects because...

• a light source falls on the object and the light is reflected to our eyes.

• our eyes reflect light to the objects.

• the objects reflect light to the light source which shines it to our eyes.

What does the moon do?

• produces light

• reflects the sun's light

• produces heat

Light travels in..

• a curve

• circles

• a straight line