Vocabulary
Westfield Q's
Chemical Reactions
Random
A+
100
The tiny pieces that all matter is made of.
What are atoms?
100
Can rust be created without fertilizer?
No
100
These substances will have __________ 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 ________. I know this because ________.
different; the molecules are made of different types of atoms
200
A group of atoms joined together in a particular way
What is a molecule?
200
What two substances created rust?
Fertilizer and Iron
200
These substances have the exact same properties. True or False?
False
200
What is a 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 was the reddish-brown substance in the water in Westfield?
Rust
300
Evidence(s) that a chemical reaction occurred is(are)
The properties change (color, smell, boiling point, etc.)
300
During a chemical reaction, ______ of the atoms that make up the reactants rearrange to form the products.
All
300
devorah is a food chemist, and she is developing a chemical to help foods stay fresh longer. She mixed a red liquid substance and a colorless solid substance together in a sealed container. The diagram above shows the repeating groups of atoms that make up the two starting substances.
After mixing, Devorah found two white substances in the sealed container. (Nothing had escaped.) Which of the diagrams to the left shows the repeating groups of atoms that make up the ending substances?
C
400
Something that can be observed about a substance, such as color, smell or boiling point.
Property
400
How did the tokens represent a chemical reaction?
By organizing them by color for each type of atom and showing how they rearranged during the chemical reaction
400
What can cause an chemical reaction?
Add liquid, heat, cold, or mix
400
Can substances change into different substances?
yes, because atoms can be rearranged to form different substances
400
Mr. Cosgrove mixed two samples together: a gray solid that smells like flowers and a gray solid that smells like bleach. He analyzed the results and found two ending substances. One of the ending substances (shown in diagram) was a white solid, made up of the repeating group of atoms shown above. Which of the diagrams shows the repeating groups of atoms that make up the reactants?
D
500
An ending substance that is made during a chemical reaction.
Product
500
How was rust created? Which atoms were involved?
Hint: Which atoms were used to make up the rust? Where did those atoms come from?
A chemical reaction caused the atoms from the iron pipes and fertilizer to rearrange. Iron and oxygen combined to form the rust.
500
In this chemical equation, which is one of the products? 
Water
Carbon Dioxide
500
In the reaction shown, hydrogen and oxygen are the _______.
Reactants
500
Ms. Schoolcraft is a chemist who is making a chemical to add to swimming pools in order to make the water safer. She mixed two solid substances together in a sealed container. The diagram above shows the repeating groups of atoms that make up the two starting substances. After mixing, Ms. Schoolcraft found two liquid substances in the sealed container. (Nothing had escaped.) Which of the diagrams to the right shows the repeating groups of atoms that make up the products?
c