Which one is not a source of natural light?

Name the 3 types of different materials that light will or will not pass through?

Which type of material is this : 'Materials only let some light pass through them'

Which one of the below is not a characteristic of light?

What type of reaction happens when you light a candle?

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

Which object is the best reflector of light?

What do we call this process: when light hits an object and bounces in another direction?

Lenses are pieces of curved glass or plastic that refract light. Which objects can we find them in?

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

One of the properties of materials is how well they ......... heat?

Which one of the below is not an effect of thermal energy?

Name a good conductor of heat?

Thermal insulators do not transfer heat very well. Can you name one....?