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WorksheetsCHANGES AROUND US
Total questions: 18
Worksheet time: 20mins
Name
Class
Date
1.
Which of these is NOT a reversible change?
a)
Water to Ice
b)
Juice to Popsicle
c)
Cookie Dough to Cookie
d)
Melting Chocolate
2.
Which is not a property of matter?
a)
solid
b)
liquid
c)
gas
d)
ice
3.
What is a reversible change?
a)
Something you can change back.
b)
Something you cannot change back.
4.
Define chemical change
a)
An irreversible chemical reaction involving the rearrangement of the atoms of one or more substances
b)
A reversible reaction
c)
Chemicals become seperate
d)
I don't know
5.
Which is a chemical change?
a)
Breaking glass
b)
Baking a cake
c)
Shredding paper
d)
Melting ice
6.
Is heating sugar to make caramel a physical or chemical change?
a)
Chemical
b)
Physical
7.
Changing liquid to a gas is called
a)
evaporation
b)
condensation
c)
melting
d)
freezing
8.
What is happening in the statement below?
The ice cube melted.
The ice cube melted.
a)
Matter is changing from a liquid to a solid.
b)
Matter is changing from a liquid to a gas.
c)
Matter is changing from a solid to a liquid.
d)
Matter is changing from a gas to a liquid.
9.
The picture shows an example of a ______________ change.
a)
chemical
b)
physical
c)
irreversible
d)
freezing
10.
When heat is added to a solid, it ______________.
a)
freezes
b)
evaporates
c)
melts
d)
condenses
11.
Which of these is a result of a physical change?
a)
A new odor
b)
A new gas
c)
A new chemical substance
d)
A solution
12.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
c)
chemical reaction
d)
electron change
13.
One cup of water is left outside for two days when it was checked there was only half a cup left. What happened?
a)
evaporation; chemical change
b)
condensation; physical change
c)
evaporation; physical change
d)
condensation; chemical change
14.
Ms. Johnson gave all of her students a box of M&M's but one of them was allergic to red dye. What must the student do to make sure that the candy is safe for him to eat?
a)
Make a new mixture which is a physical change.
b)
Separate the mixture which is a physical change.
c)
Make a new substance which is a physical change.
d)
Make a new substance which cannot be reversed.
15.
A student is creating a potting soil mix. She combines 100 grams of sand, 200 grams of soil, and 200 grams of pebbles to make her potting soil. What is the mass of the potting soil?
a)
100 grams
b)
200 grams
c)
300 grams
d)
500 grams
16.
Which of the following is a sign that a chemical reaction has occurred?
a)
change in shape
b)
melting
c)
formation of a gas
d)
dissolving
17.
Photosynthesis is an example of a
a)
physical change
b)
chemical change
18.
Adding baking soda and vinegar together and it fizzes and creates carbon dioxide.
a)
Chemical
b)
Physical
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