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Grade 3 Unit 5 Social Science (Matter)
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True or false? Water exists only in solid and liquid states.
False. Water exists in solid, liquid, AND gas states.
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Is lemonade homogeneous or heterogeneous?
Homogeneous
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What is a mixture? Give a definition.
When we put 2 or more substances together.
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What is a pure substance? Give a definition.
It consists of only 1 component.
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Is pizza homogeneous or heterogenous?
Heterogeneous
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What is evaporation?
It´s the process of a liquid changing into gas.
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Which state EXPANDS to occupy as much space as possible?
Gas
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The 3 STATES of matter are...
Solid, Liquid, Gas
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Name the 2 types of mixtures.
Heterogeneous and homogeneous mixtures
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True or False? Matter is made up only of natural materials.
False. Matter is made up of both natural and artificial materials.
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What is volume? Give a definition.
Volume is the space matter occupies.
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True or False? ALL living things and non-living things are made of matter.
True
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True or false? When you heat liquid water, it changes into a solid and it freezes.
False. When you heat liquid water, it changes into water vapour and it evaporates.
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When you put ice cubes in a drink, the ice cubes _____.
melt
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What is water made of?
Hydrogen and oxygen
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Which STATE has its own shape?
Solid
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Which state of matter has the shape of the container?
Water
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What is a homogeneous mixture? Give a definition.
It´s a mixture in which we can´t see the components.
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What is mass? Give a definition.
Mass is the amount of matter.
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