Reactions
What is a catalyst?
the thing that speeds up the reaction
What is H2O2
Hydrogen Peroxide
What do you call an organism that makes its own food?
producer
What does exothermic mean?
gives off heat
What is H2O
water
what is a consumer
an animal that eats other plants or animals
What does endothermic mean?
absorbs heat
What is a physical change?
a change that does not affect the atoms of a substance
What are decomposers?
organisms that break down dead matter
What are reactants?
the components that make up the reaction
It decomposed the hydrogen peroxide and took away the oxygen molecule.
What is a hypothesis?
What are products?
the results of a chemical reaction
What particle makes up everything?
Atoms
How do plants make their food?
photosynthesis