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World of Science Review

Total questions: 25

Worksheet time: 8mins

Name
Class
Date
1.

What is used to measure (but not precise), heat, and mix large amounts of liquids?

a)

beaker

b)

Erlenmeyer flask

c)

test tube

d)

graduated cylinder

2.

What equipment allows you to measure liquid's volume and measures in milliliters?

a)

test tube

b)

beaker

c)

flask

d)

graduated cylinder

3.

What does it mean when you see this lab safety symbol?

a)

working with glassware/chemicals

b)

wear goggles

c)

working with electricity

d)

working with chemicals

4.

What does it mean when you see this lab safety symbol?

a)

wear goggles

b)

working with fire

c)

working with electricity

d)

working with sharp objects

5.
What is used to measure mass of an object in grams?
a)
Triple beam balance
b)
Test tube rack
c)
Meter stick
d)
Graduated Cylinder
6.
Used to measure length and distance in the metric system
a)
Graduated cylinder
b)
Triple beam balance
c)
Thermometer
d)
Meter stick
7.

What is used to swirl, mix, or store chemicals?

a)

Beaker

b)

Erlenmeyer Flask

c)

Test Tube

d)

Graduated Cylinder

8.
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
9.
Which is NOT a step in the scientific method?
a)
Make observation
b)
Form a theory
c)
Collect data
d)
Form a hypothesis
10.
A testable explanation to a problem that has not yet been tested. 
a)
data
b)
theory
c)
hypothesis
d)
fact
11.

During this step of the scientific method, a scientist would gather background information.

a)

Hypothesis

b)

Collect Information

c)

Observation

d)

Experiment

12.

This step of the scientific method is an educated prediction.

a)

Hypothesis

b)

Research

c)

Observation

d)

Conclusion

13.
This is the group that we will compare our experimental group to. This group stays "normal."
a)
Control Group
b)
Experimental Group
c)
 Normal Group
d)
Weird Group
14.
How many variables can be tested in a controlled experiment?
a)
one
b)
two
c)
three
d)
as many as possible
15.
This variable in an experiment is the one being deliberately changed by the scientist. 
a)
dependent variable
b)
independent variable
c)
data
d)
control group
16.

This variable is what is measured in an experiment.

a)

independent

b)

dependent

c)

control

17.

This variable is usually on the floor of a graph.

a)

independent

b)

dependent

c)

control

18.
What step does every scientific experiment begin with?
a)
hypothesis
b)
question/problem
c)
procedures
d)
conclusion
19.
The summary at the end of an experiment that explains the results. 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
20.
Should experiments be repeated over and over to see if the results are the same each time?
a)
yes
b)
no
21.
Testing a hypothesis often involves a(n):
a)
answer
b)
experiment
c)
problem
d)
safety check
22.
Observations made during an experiment are called:
a)
results
b)
problems
c)
conclusions
d)
questions
23.
If a lab fire erupts, immediately:
a)
 A. Notify (or tell) your teacher
b)
B. Run and scream
c)
C. Throw water at the fire
d)
 D. Open the windows
24.

This is used to hold test tubes

a)

test tube holder

b)

eye wash

c)

eye dropper

d)

lab apron

25.

This is used to pick up small objects in the science lab

a)

test tube brush

b)

ruler

c)

forceps

d)

test tube

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