2nd SIE - Review for PTS1

What is the main source of light in the day?

• Sun

• Moon

• Rainbow

Light source that is made by human is called ....

• Natural source of light

• Man-made source of light

• Chemical source of light

Which of these picture is natural source of light?

• 
• 
• 

Which of these things is man-made source of light?

• Star

• fireflies

• Match stick

An area of darkness which is formed when the light is blocked is called ....

• Rainbow

• Shadow

• Lightning

Things can form shadows of different ....

• shapes

• sizes

• colour

Traffic light and street lamps are the example of .... source of light.

• Natural

• Man-made

• Dark

In which room could you see the object clearly?

• A room with some light

• A room with bright light

• A room with low light

Where can you find the rocks?

• Seashore

• Mountain

• Swimming pool

The stone that has layers of grains is ....

• Granite

• Sandstone

• Limestone