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1st Semester Test #3
Test Description: Semester review
Instructions: Answer all questions to get your test result.
1) What does it mean to observe?
A
to taste
B
to examine carefully
C
to wash thoroughly
D
to carry out
2) What does it mean to infer?
A
to explain why something happened
B
To check your pulse
C
to cover with hair and fur
D
to shave the fur off of an animal
3) What is an independent or manipulated variable?
A
a variable that stays the same
B
the skill of explaining
C
a factor that is changed by the scientist, that which is tested
D
a doctors stethoscope
4) What is an experiment?
A
A procedure designed to test a hypothesis
B
a skill that scientists have
C
A statement
D
a way to organize your information
5) What are variables?
A
a number
B
Factors that can change
C
a letter
D
a written manuscript
6) What is a dependent or responding variable?
A
A factor in an experiment that changes because of what is done to the manipulated variable
B
a factor that is changed by scientists
C
Factors in experiments that change
D
a way to test a hypothesis.
7) What is a controlled variable?
A
a variable that suddenly goes wild
B
A variable that does not change
C
the results of an experiment
D
a factor that is constantly changed
8) What is a hypothesis?
A
A doctors promise
B
a statement about a problem that can be tested
C
A skill of watching things.
D
a large crate that scientists keep their tools in.
9) What is a data table used for?
A
It is used to hold the science tools
B
Used to organize information into columns and rows.
C
It is a large table where scientists experiment.
D
It is used as a large box to store equipment.
10) What do models allow you to do?
A
To predict things
B
To show off your clothes
C
to create a theory.
D
Experiment on something that is too large, too small, too expensive, too fast, or unavailable.
11) What is our sun made of?
A
Sun energy
B
hot magma
C
hot gasses called plasma
D
metals
12) How is Venus different from Earth
A
Venus is closer to Mars
B
Venus is the third planet from the Sun.
C
Venus is much larger than Earth
D
Venus has thick clouds and an atmosphere of carbon dioxide
13) What type of galaxy is the Milky Way?
A
It is irregular and looks like a cloud
B
It is spiral shaped and looks like a pinwheel
C
It is spiral and looks like a square
D
an elliptical and it looks like a star
14) How does the theory of plate tectonic explain why most volcanoes occur on plate boundaries?
A
As plates move apart or converge they may become weaker and allow magma to come to the surface.
B
Because the plates cause volcanoes
C
because mountains can form
D
Because they are on plates
15) Why do the stars appear to move at night?
A
Because some stars fall becoming falling stars
B
This is due to the Earth's motion.
C
Because the Moon makes them look that way.
D
Becuase they are moving with the galaxy
16) What type of star is our Sun?
A
A mid sized
B
A giant star.
C
A big one
D
A hot burning star
17) How do we measure LARGE distances in space?
A
Miles per hour
B
The astronomical unit.
C
Light years.
D
Km/h
*select an answer for all questions
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