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4A - M2 - Review
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Give 3 examples of gas.
answers may vary
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What are the 3 layers of the Earth?
the crust, mantle and core
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What are the 3 states of matter?
solid, liquid and gas
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Is it conduction, convection or radiation? FRYING EGG
conduction
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What do you call the process when solid turns to liquid?
condensing
evaporating
freezing
melting
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Is it conduction, convection or radiation? BOILING WATER
convection
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Is it conduction, convection or radiation? THE SUN HEATING UP THE EARTH
radiation
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Which layer of the Earth is the hottest?
the mantle
the crust
the core
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Which property describes a glass?
elastic
absorbs water
strong
transparent
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What do you call the process when liquid turns to solid?
condensing
freezing
melting
evaporating
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TRUE or FALSE. Solids have fixed shapes.
true
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Which of the following is an artificial heat source?
an iron
a hot spring
a star
a volcano
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Give 3 examples of liquid.
answers may vary
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TRUE or FALSE. Gas has fixed volume.
false
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What do you call the measurement of how hot or cold something is?
temperature
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What do you call the process when liquid turns to gas?
evaporating
condensing
melting
freezing
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Which of the following is a natural heat source?
a lightbulb
the Sun
a campfire
a candle
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What do you call the process when gas turns to liquid?
freezing
melting
condensing
evaporating
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Give 3 examples of solid.
answers may vary
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Which material is best to use in making a raincoat? Why?
metal
plastic
wood
glass
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When heated, things __________ or get bigger.
shrinks
expands
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TRUE or FALSE. Liquids can flow.
true
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Which is a good conductor of heat and electricity?
glass
plastics
metals
wood
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Okay!
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