science word definition Flashcards
1
Q
reactants
A
Chemicals that are mixed together for
a chemical reaction to take place
2
Q
Products
A
Chemicals that are made in a
chemical reaction
3
Q
Rate of reaction
A
How quickly products are made in a
chemical reaction.
4
Q
Activation energy
A
The smallest amount of energy
needed for a reaction to take place
5
Q
Collision theory
A
The theory of how chemical reactions
occur when molecules collide with
enough energy for a reaction to
happen
6
Q
Catalyst
A
A chemical that can speed up the rate
of a chemical reaction but is not used
up or changed itself.
