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Matter and Energy
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Name a problem that comes from using non-renewable energy sources.
Pollution or contamination
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Say the properties. A glass is ____________________________ .
hard / smooth / rigid
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___________ expand to occupy as much space as possible.
Gases
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Name the three states of matter.
Solid, liquid and gas.
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The solar energy comes from _______________.
The Sun
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This is a ______________________.
wind turbine
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When you heat ice it changes into _____________.
a liquid or water
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When you heat liquid water, it changes into ______________. Water ________________.
gas / evaporates
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Solar energy is... renewable or non-renewable?
Renewable
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___________ take the shape of the container they are in.
Liquids
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Say the properties. A brick is ____________________________ .
hard / rough / rigid
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When you cool water vapour, it changes into a liquid. Water ____________
condenses
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Heterogeneous or homogeneous mixture?
Heterogeneous
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Heterogeneous or homogeneous mixture?
Homogeneous
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Coal is... renewable or non-renewable?
non-renewable
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What do we use to burn biomass?
Stoves
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___________ is the amount of matter.
Mass
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We use ______________ to change sunlight into electricity.
solar panels
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Name four sources of renewable energy.
Solar energy, wind energy, hydroelectric energy, bioenergy
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Say the properties. A scrubber is ____________________________ .
Soft / rough
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______________ is organic material, such as wood and food waste. We can burn it to make heat or electricity. .
Biomass
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Say the properties. A elastic band is ____________________________ .
flexible / soft/smooth
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Name three types of fossil fuels.
Coal, oil and natural gas.
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Hydroelectric energy comes from _______________________.
moving water
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___________ is the space matter occupies.
Volume
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This is a ________________.
dam
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___________ have their own shape.
Solids
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__________________ energy sources are unlimited.
Renewable
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What is the disadvantage of using solar energy?
They are only practical in sunny climates.
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