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WorksheetsClassroom Chemistry
Total questions: 40
Worksheet time: 2hrs 49mins
Name
Class
Date
1.
What kind of change is occurring to the screen ?
a)
Physical
b)
Chemical
2.
What kind of change is occurring when the candle is melting ?
a)
Chemical
b)
Physical
3.
What kind of change is occurring when baking cookies ?
a)
Chemical
b)
Physical
4.
What kind of change is occurring to the eggs ?
a)
Chemical
b)
Physical
5.
What kind of change is occurring to the water ?
a)
Chemical
b)
Physical
6.
What kind of change is occurring to the glow stick?
a)
Chemical
b)
Physical
7.
Solid, liquid, and gas describe WHAT property we use to describe an object?
a)
Hardness
b)
State
c)
Colour
d)
Shape
8.
Salad is an example of a ____.
a)
solution
b)
mixture
c)
substance
d)
solute
9.
Which of the following is an example of a state of matter that has no definite volume and no definite shape?
a)
rock
b)
oxygen
c)
milk
d)
water
10.
The study of matter, it properties, composition and changes is called
a)
evaporation
b)
interaction
c)
science
d)
chemistry
11.
Something that takes up space and has mass.
a)
volume
b)
matter
c)
mass
d)
density
12.
A state of matter that has a definite volume and shape.
a)
solid
b)
liquid
c)
gas
d)
matter
13.
What are the three states of matter?
a)
solid, volume, mass
b)
density, volume, mass
c)
solid, liquid, gas
d)
density, gas, volume
14.
The particles in a solid are...
a)
vibrating and closely packed together
b)
vibrating and loosely packed together
c)
not moving at all
15.
Substance with NO definite volume or shape...
a)
solid
b)
liquid
c)
gas
16.
What is a mixture?
a)
elements chemically combined
b)
a combination of different things
c)
it is found on the Periodic Table
d)
it is made of chemical
17.
In which state of matter are the molecules packed tight?
a)
gas
b)
solid
c)
liquid
18.
Is wood burning a physical or chemical change?
a)
Physical
b)
Chemical
19.
Is milk going sour a physical or chemical change?
a)
Physical
b)
Chemical
20.
Is mold growing on cheese a physical or chemical change?
a)
Physical
b)
Chemical
21.
Is making orange juice a physical or chemical change?
a)
Physical
b)
Chemical
22.
Is sharpening a pencil a physical or chemical change?
a)
Physical
b)
Chemical
23.
Which of the following IS a clue that a chemical change has occurred?
a)
State of matter change
b)
Size Change
c)
Change in temperature
d)
Shape change
24.
Which of the following is not a clue that a chemical reaction has taken place?
a)
Changing size
b)
Changing color
c)
A gas being formed
d)
Formation of a precipitate
25.
What is an example of a Chemical change?
a)
Ripped paper
b)
boiled egg
c)
cracked egg
d)
sugar in water
26.
Which is a physical change?
a)
burning match
b)
vinegar in baking soda
c)
melting butter
d)
cooking an egg
27.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
c)
chemical reaction
d)
electron change
28.
Which of these is an example of a new substance being formed?
a)
a nail rusting
b)
a wall being painted
c)
water changing to steam
d)
paper being folded
29.
A pH scale is...
a)
A corrosive substance that says a substance is an acid.
b)
An indicator that tells if a substance is an acid or base.
c)
A blue litmus paper.
d)
A red litmus paper.
30.
A series of steps used by scientists to solve a problem or answer a question.
a)
scientific method
b)
recipe
c)
data collection
d)
metric system
31.
Which is NOT a step in the scientific method?
a)
Make observation
b)
Form a theory
c)
Collect data
d)
Form a hypothesis
32.
A testable explanation to a problem that has not yet been tested.
a)
data
b)
theory
c)
hypothesis
d)
fact
33.
Testing a hypothesis often involves a(n):
a)
answer
b)
experiment
c)
problem
d)
safety check
34.
This variable in an experiment is the one being changed by the scientist.
a)
dependent variable
b)
independent variable
c)
data
d)
control group
35.
The summary at the end of an experiment that explains the results.
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
36.
The name of the information that you get from your experiment (you organize it into charts and graphs).
a)
observations
conclusion
conclusion
b)
data
c)
variables
d)
hypothesis
37.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
38.
Dependent variable means
a)
the scientist controls what to test
b)
educated guess
c)
ask a question
d)
what is being measured
39.
If you increase the amount of spinach you eat, then you will increase the iron in your blood.
What's the dependent variable?
What's the dependent variable?
a)
increase the amount of iron in your blood
b)
spinach you eat
40.
Will a construction paper air plane fly faster than an airplane made from notebook paper? Choose the best hypothesis.
a)
If I make a paper airplane from notebook paper, then it will fly faster than construction paper.
b)
Yes.
c)
No.
d)
I think the construction paper air plane will fly faster.
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