GK quiz

Which of these is a soft substance?

• 
• 
• 
• 

Heat is used for __________________ food.

________ CAUSES CHANGES IN MATERIALS

• Heat
• Temperature
• Fingers
• Weather

WHAT IS MEASURED WITH A THERMOMETER

• Heat
• Temperature
• Height
• Weight

SHADOWS FORM BEHIND OBJECTS

• FALSE
• TRUE

Which one is not a source of natural light?

• Sun

• Stars

• Lamp

• Lighting

Sunlight looks white, but it is really made up of ....

• 5 colours

• 3 colours

• 7 colours

• 8 colours

What type of energy do we need to heat an object?

• Chemical

• Thermal

• Light

• Electrical

A mirror _________________ light.

• absorbs

• reflects

• refracts

True or false?

Heat is a source of energy.

• false

• true