Vocabulary
Westfield
Chemical Reactions
Random
A+
100
The tiny pieces that all matter is made of.
Atoms
100
What was the brown substance in the water in Westfield?
Rust (Iron oxide)
100
These substances will have the same or different properties?
different
100
The temperature at which a substance changes from the solid phase to the liquid phase is
Melting point
100
The diagram shows the repeating groups of atoms that make up two samples. The properties will be ________ because ________.
Same; the molecules are made of the same types of atoms.
200
An object, diagram, or computer program that helps us understand something by making it simpler or easier to see.
Model
200
Could the rust in Westfeild be created without the fertilizer?
No
200
TRUE or FALSE
These substances have the exact same properties.
False
200
Name ONE possible product these reactants can form.
red, orange
blue, black
red, black
blue, orange
200
During a chemical reaction, atoms cannot be ______ or ______.
Created or destroyed
300
A process in which atoms rearrange to form new substances
Chemical Reaction
300
What two substances created rust?
Fertilizer and Iron
300
Name at least one piece of evidence we can observe that a chemical reaction has occured.
A change to the properties of the starting substances.
300
During a chemical reaction, how many of the atoms that make up the reactants rearrange to form the products? None, few, most, all?
All
300
letters and numbers showing the types and number of atoms that repeat to make up a substance
Chemical formula
400
An ending substance that is made during a chemical reaction.
Product
400
How did the tokens represent a chemical reaction?
They showed how the atoms rearrange during a chemical reaction.
400
What can cause an chemical reaction?
Adding liquid, heat, cold, electricity or mixing substances.
400
Can substances change into different substances? How?
Yes, because atoms can be rearranged to form different substances.
400
something that is made of all the same atoms or groups of atoms
substance
500
Something that can be observed about a substance, such as color, smell or boiling point.
Property
500
How was rust created? Which atoms were involved?
Hint: Think of the tokens
A chemical reaction caused iron and oxygen to combine from the fertilizer running through the pipes
500
In this chemical equation, which substances are the products? 
Water and Carbon Dioxide
500
In the reaction shown, hydrogen and oxygen are the reactants or products?
Reactants
500
to change the order or position of something
Rearrange