Observing
Describing
Controlling
Safety
Random
100
Flattening a marshmallow describes what change?
What is a Physical Change?
100
Showing a chemical reaction using symbols instead of words.
What is a chemical equation?
100
Two ways to increase the rate of a reaction.
What is temperature and concentration
100
Goggles
What should you wear over your eyes during an experiment?
200
A change in which one or more substances combine or break apart to form new substances.
What is a chemical change?
200
The substance created when a reaction is complete.
What is a product?
200
What energy is needed to get a chemical reaction going.
What is Activation Energy.
200
Safety gloves
What can you wear on your hands during chemical experiments?
300
A change of color, temperature, and gas is formed.
What are signs of a chemical reaction.
300
In a chemical reaction, the total mass of the reactants must equal the total mass of the products.
What is the conservation of mass?
300
A material that decreases the activation energy needed for a chemical reaction.
What is a catalyst.
300
Wash your hands.
What is the last step performed in the lab before you leave?
400
A reaction that releases energy in the form of heat.
What is an exothermic reaction?
400
A match burning in open air and a decaying pear in a closed area describe what type of systems
What is an open and closed system.
400
A material used to slow down a reaction.
What is a inhibitor.
400
The potion turns purple
What is a potion when it is mixed with a blue potion while the current potion is red?
500
The material formed when Magnesium and Oxygen chemically combine.
What is Magnesium Oxide.
500
Chemical reactions can be classified in what categories.
What are synthesis, decomposition, and replacement.
500
A biological catalyst is called...
What is an enzyme.
500
Air, Heat, Fuel
What is The Fire Triangle?
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