WorksheetsNew Stuff From Old Stuff Review
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Which of the following is NOT a property?
a)
Solubility
b)
Density
c)
Temperature
d)
Color
2.
How do you calculate density?
a)
Mass ÷ Volume
b)
Volume + Mass
c)
Volume ÷ Mass
d)
Mass - Volume
3.
What are properties?
a)
Characteristics that are specific to a certain substance
b)
Things that help distinguish one substance from another
c)
Remain the same regardless of sample size
d)
all of these
4.
Properties are the same regardless of...
a)
Sample Size
b)
Mass
c)
Volume
d)
All of the above
5.
What happens to atoms during a chemical reaction?
a)
Some atoms are destroyed and some remain the same.
b)
They atoms of the reactants are rearranged to form the products.
c)
Stay put and do not rearrange.
d)
New atoms are created.
6.
Iron + Oxygen ----> Iron Oxide
What are the reactants?
What are the reactants?
a)
Iron Oxide
b)
Iron and Oxygen
7.
Iron + Oxygen ----> Iron Oxide
What are the products?
What are the products?
a)
Iron and Oxygen
b)
Iron Oxide
8.
What can we test to determine if two substances are the same or different?
a)
Properties
b)
Mass
c)
Volume
d)
Temperature
9.
Is melting an ice cube a chemical or physical change?
a)
Chemical Change
b)
Physical Change
10.
Is burning Magnesium a chemical or physical change?
a)
Chemical Change
b)
Physical Change
11.
Is making chocolate milk a chemical change or a physical change?
a)
Chemical Change
b)
Physical Change
12.
Is making slime a chemical or physical change?
a)
Physical Change
b)
Chemical Change
13.
Is it a chemical or physical change when acid rain reacts with copper?
a)
Chemical change
b)
Physical Change
14.
Is boiling water a chemical or physical change?
a)
Chemical change
b)
Physical change
15.
Which of the following could be used as EVIDENCE that a chemical reaction occured.
a)
The temperature of the substances before and after the reaction
b)
Comparing the melting point, solubility, color, hardness, and density of the substances before and after the reaction.
c)
Comparing the mass and volume before and after the reaction.
d)
The taste of the substances before and after the reaction.
16.
Does mass change during a chemical reaction?
a)
Yes because some atoms are destroyed.
b)
Yes because sometimes new atoms are made.
c)
No, the product is only made out of atoms that were originally in the reactants.
d)
No, because the products are exactly the same as the reactants.
17.
Did a chemical reaction occur in this model?
a)
Yes, the atoms of the reactants rearranged into the new products.
b)
No, the product is the same as the reactants we started with.
18.
What is reasoning in a scientific explanation?
a)
The data we collected to support our claim.
b)
A statement that answers the question being asked.
c)
The scientific principles that tie together your evidence and claim.
19.
What is the claim in a scientific explanation?
a)
A statement answering the question being asked.
b)
The data the we collected to support our answer to the question.
c)
The scientific principles that tie together the evidence to the claim.
20.
What is the evidence in a scientific explanation?
a)
A statement answering the question being asked.
b)
The data the we collected to support our answer to the question.
c)
The scientific principles that tie together the evidence to the claim.
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