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Worksheets

1st six weeks review

Total questions: 42

Worksheet time: 23mins

Name
Class
Date
1.

Which of the following is not a compound?

a)

HCl

b)

Cl

c)

CO2

d)

NaCl

2.

What cannot be broken down into other substances?

a)

Compound

b)

Solids

c)

Mixture

d)

Element

3.

What is made up two or more elements that are chemically combined?

a)

Element

b)

Mixture

c)

Compound

d)

Solids

4.

Which of the following an element?

a)

Copper

b)

Water

c)

table salt

d)

Carbonic Acid

5.
a)

1

b)

2

c)

5

d)

8

6.

Which of the following could be a symbol on he periodic table of elements?

a)

JZ

b)

Jz

c)

jz

d)

JZa

7.
A scientist publishes the result of an experiment.  Which science skill is this?
a)
observing
b)
inferring
c)
communicating (report)
d)
hypothesizing
8.
What is a series of carefully planned steps used to test a hypothesis?
a)
a constant
b)
an observation
c)
a conclusion
d)
an experiment
9.
Why should an experiment be repeated?
a)
to form a hypothesis
b)
to see if what you assumed was correct
c)
to change controls
d)
to identify the problem
10.
What is the term for a statement that can be tested?
a)
independent variable
b)
dependent variable
c)
inference
d)
hypotheisis
11.
Which of the following can be used to test a hypothesis?
a)
experiment
b)
theory
c)
law
d)
variable
12.
Which is NOT a step in the scientific method?
a)
Make observation
b)
Form a theory
c)
Collect data
d)
Form a hypothesis
13.
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
14.
This variable in an experiment is the one being changed by the scientist. 
a)
dependent variable
b)
independent variable
c)
data
d)
control group
15.
What is a hypothesis?
a)
A hypothesis is the right answer to an experiment.
b)
A hypothesis is the wrong answer to an experiment.
c)
A hypothesis is an educated guess.
d)
I don't know.
16.
The summary at the end of an experiment that explains the results. 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
17.
What is the first step in the scientific method?
a)
Ask a question
b)
Conclusion
c)
No Horse Play
d)
Observe
18.

Freezing juice is a

a)

Chemical Change

b)

Physical Change

19.

Exploding fireworks is a

a)

Physical Change

b)

Chemical Change

c)

Katy Perry Song

20.

Melting a chocolate bar is a

a)

Physical Change

b)

Chemical Change

c)

Willy Wonka's Job

21.

Cutting your hair is a

a)

Physical Change

b)

Chemical Change

22.

If enough heat it taken away or removed from a container of water, what will happen to the water?

a)

It will begin to boil.

b)

It will turn into a gas.

c)

It will become a solid.

d)

It will increase in weight.

23.

What happens when a piece of wood burns?

a)

A physical change takes place.

b)

A chemical change takes place.

c)

The wood loses its gravity.

d)

The wood becomes a tree again.

24.

Which answer below makes a correct statement?

a)

Physical change only changes the color.

b)

Physical change only changes the size.

c)

Physical change changes the matter into something totally different.

d)

Physical change begins and ends with the same matter.

25.

Is melting butter for popcorn a chemical or physical change?

a)

chemical

b)

physical

26.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
rust
27.

Change in color is a physical change.

a)

True

b)

False

28.
Fizzing, foaming, and burning are all examples of
a)
Chemical change
b)
Physical change
29.
Dissolving sugar in water is an example of a 
a)
physical change
b)
chemical change
30.
Digesting your food is an example of 
a)
chemical change
b)
physical change
31.
a)
metric ruler
b)
Celsius thermometer
c)
graduated cylinders
d)
pan balances
32.
a)
Celsius thermometer
b)
beakers
c)
hot plates
d)
pan balance
33.
a)
triple beam balance
b)
pan balance
c)
beaker
d)
metric ruler
34.
a)
metric ruler
b)
triple beam balance
c)
pan balance
d)
beaker
35.
a)
beaker
b)
hot plate
c)
metric ruler
36.
a)
pan balance
b)
beaker
c)
magnet
d)
metric ruler
37.

A scientific observation is:

a)

Based on facts

b)

based on your personal beliefs

c)

Based on opinions

d)

Based on a rumor you heard in the bathroom

38.

An inference is based on:

a)

both scientific observations and known facts

b)

known facts

c)

scientific observations

d)

a rumor you started in the bathroom

39.
These contain only one kind of atom. 
a)
element 
b)
compound 
c)
mixture 
d)
water 
40.
Water is a ___________. 
a)
element 
b)
mixture 
c)
compound 
41.
Elements can be broken down into simpler substances. 
a)
false 
b)
true 
c)
sometimes 
42.
Salt is a _________. 
a)
compound 
b)
element 
c)
mixture 

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