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Team 2
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Teams
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Score
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baam
Lose 25 points!
Oops!
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rocket
Go to first place!
Okay!
×
shark
Other team loses 20 points!
Okay!
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banana
Go to last place!
Oops!
10
×
True or false? Thermal energy can cause permanent changes.
True. For example, when we bake a cake, we can't change the ingredients back into their original form.
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Check
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Check
10
×
Give an example of convenction
Boiling water in a pot
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Check
10
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What is an example of a chemical change?
Baking a cake
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Check
10
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When a solid receives thermal energy it changes to a liquid. This process is called _____.
This process is called melting.
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Check
10
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What is an example of a natural source of light?
The sun
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10
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Give an example of conduction
A metal pan on a stovetop
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10
×
____ materials don't let any light pass through them.
Opaque materials don't let any light pass through them.
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Check
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heart
Other team wins 20 points!
Oops!
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magnet
Take 20 points!
Okay!
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fairy
Take points!
5
10
15
20
25
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baam
Lose 10 points!
Oops!
10
×
______ materials don't block any light.
Transparent materials don't block any light.
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Okay!
Check
10
×
How can thermal energy affect objects?
It can cause them to expand or move, and it can change the state of an object (for example, changing a solid to a liquid).
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10
×
White light is made up of _________.
White light is made up of all the colours combined together.
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10
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Thermal energy always travels from a ____ object to a _____ one.
Thermal energy always travels from a hotter object to a colder one.
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10
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Refraction causes light to _______.
Refraction causes light to bend as it passes through a substance.
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10
×
How do we use light energy?
To see things at night, to tell us when machines are on or off, and to see things on computer screens.
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Check
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heart
Other team wins 20 points!
Oops!
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rocket
Go to first place!
Okay!
×
rocket
Go to first place!
Okay!
×
lifesaver
Give 15 points!
Oops!
×
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