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10 Cards in this Set

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