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