melting ice cube
Endothermic
(of a reaction or process) accompanied by or requiring the absorption of heat
Endothermic
how is pressure caused?
A smaller amount of space with the same amount of particles cause more pressure
What is the symbol for Uranium?
U
when energy goes out or leaves a reaction.
Exothermic
(of a reaction or process) accompanied by the release of heat.
Exothermic
As this change gets higher the particles move faster and when this change decreases the particles become slower.
Temperature.
How many pets does Miss Clarkson have?
3
heating water
Endothermic
the stored energy in an object; a result of its position
Potential energy
As temperature increases, what happens to the rate of reactions?
Increases
How many people are there in this class?
21
bomb explosion
exothermic
a substance that is created by a substance or reaction
Product
What lowers a reactions activation energy.
A catalyst
What picture is on the front of your year 9 folder?
Otter
food being digested
exothermic
an interaction between two or more chemicals that produce one or more new chemicals
Chemical reaction
what is concentration
How weak or strong a substance is
how old is Miss C.
22