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WorksheetsLIGHT AND HEAT
Total questions: 28
Worksheet time: 16mins
Allows most light through
Reflection
Refraction
Translucent
Transparent
What does the pencil in this picture show about light?
Light is refracted when it hits a curved object.
Light is reflected when it hits a curved object.
Light is refracted when it passes from air into water.
Light is reflected when it passes from air into water.
Which material is NOT translucent?
Brick
Tissue paper
Thin sheet of plastic
Frosted glass
What is the correct order of the colors of the rainbow?
Red, orange, yellow, green, blue, indigo, violet
Red, orange, yellow, blue, green, indigo, violet
Orange, yellow, red, blue, purple, indigo
Red, orange, yellow, green, indigo
What is the name of the object used to separate light?
Prism
flashlight
water
Glass
Click on the NATURAL sources of light
What is the FASTEST type on energy in the Universe?
Electrical energy
Light energy
Sound energy
Mechanical energy
What type of reaction happens when you light a candle?
Chemical reaction
Physical reaction
Artificial reaction
Natural reaction
When light hits a lemon, what colour is reflected?
Green
Indigo
Violet
Yellow
When light hits an object and bounces in another direction is called...
Reflection
Refraction
Miracle
Chemical reaction
When light changes direction as it passes from one material into another is called
Refraction
Reflection
Miracle
Chemical reaction
What is the best REFLECTOR?
A glass
A mirror
A tomato
A plastic cup
What do lenses do with light?
They reflect light
They transform light into sound
They refract light
They absorb light
What can you see in the picture?
A mirror
Glasses
A piece of glass
A painting
What do we do when we heat an object?
We add thermal energy
We add chemical energy
We add light energy
We add sound energy
They transfer heat very well, they are
Thermal conductors
Thermal insulators
Transparent materials
Opaque materials
They do not transfer heat very well. They are
Thermal conductors
Thermal insulators
Transparent materials
Opaque materials
Copper and aluminium are good
Insulators
Conductors
Refractors
Reflectors
Wool, plastic and wood are good
Conductors
Insulators
Refractors
Reflectors
What are the three effects of thermal energy?
Melting, evaporation and expansion
Refraction, Reflection and absorption
Melting, evaporation and reflection
Transparent, opaque and translucent
