Yes - Air is matter because it takes up space and has mass.
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A stick of butter weighs 500 g. What will happen to the mass of the butter when it melts?
The mass will stay the same.
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What does the law of conservation of matter say? Explain what it means.
Matter cannot be created or destroyed. It can only change from one form to another.
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When two clear liquids are mixed a yellow solid appears at the bottom. How many new substances were formed?
One
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Mineral water is water that has different minerals dissolved in it. When a glass of mineral water is left out for a few days, crystals start to form on the glass. How many new substances are formed?
None - the crystals are the solid minerals separating from the liquid.
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Which state of matter has the slowest particles?
Solid
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Which state of matter has the particles with the most energy?
Gas
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Name one way to measure volume.
Measure and multiply length x width x height OR use a graduated cylinder to measure by displacement
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What scientific tool would you used to measure length?
A ruler or meter stick
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What scientific tool would you use to measure weight?
A balance
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Is this matter or not matter: air
Matter
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Is this matter or not matter: light
not matter
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Is this matter or not matter: sound
not matter
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Is this matter or not matter: a pencil
matter
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Why is a tossed salad an example of a mixture?
Multiple things are mixed together, but each part keeps its own identity.
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When something is dissolved, it is usually mixed completely evenly. This makes it an example of ...
