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10 Cards in this Set
- Front
- Back
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What are the clues of the chemical reactions that occurred?
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A new colour appears, hears or light is given off, bubbles of a gas form; a solid material forms a liquid.
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Why should you never operate a gas or charcoal barbecue inside your home?
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It might explode.
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What happens when you dissolve a spoonful of sugar in a cup of tea or coffee?
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The sugar particles spread out but they are still there as sugar particles
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The sugar particles spread out but they are still there as sugar particles
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Corrosion doesn’t effect the plastic but it dissolves the metal.
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What is corrosion?
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A slow chemical change that occurs when a metal reacts with oxygen to form oxide.
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What is the atomic number for oxygen?
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The number is 8.
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What is it called when a solid turns into a liquid?
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It is called melting.
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What are the forms that matter exist in?
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Solid, liquid, and gas.
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How do you protect metal from corrosion?
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Wash your car a lot or buy a special paint that protects from it.
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What does a fire work contain?
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Fuel, fuse, oxygen, and colour producer.
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