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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 wash thoroughly
B
to taste
C
to carry out
D
to examine carefully
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
a factor that is changed by the scientist, that which is tested
C
the skill of explaining
D
a doctors stethoscope
4) What is an experiment?
A
a way to organize your information
B
a skill that scientists have
C
A statement
D
A procedure designed to test a hypothesis
5) What are variables?
A
a letter
B
a written manuscript
C
Factors that can change
D
a number
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 factor that is changed by scientists
D
a way to test a hypothesis.
7) What is a controlled variable?
A
a factor that is constantly changed
B
A variable that does not change
C
the results of an experiment
D
a variable that suddenly goes wild
8) What is a hypothesis?
A
A doctors promise
B
a large crate that scientists keep their tools in.
C
A skill of watching things.
D
a statement about a problem that can be tested
9) What is a data table used for?
A
Used to organize information into columns and rows.
B
It is used as a large box to store equipment.
C
It is used to hold the science tools
D
It is a large table where scientists experiment.
10) What do models allow you to do?
A
To predict things
B
to create a theory.
C
Experiment on something that is too large, too small, too expensive, too fast, or unavailable.
D
To show off your clothes
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 has thick clouds and an atmosphere of carbon dioxide
B
Venus is the third planet from the Sun.
C
Venus is closer to Mars
D
Venus is much larger than Earth
13) What type of galaxy is the Milky Way?
A
It is spiral shaped and looks like a pinwheel
B
an elliptical and it looks like a star
C
It is irregular and looks like a cloud
D
It is spiral and looks like a square
14) How does the theory of plate tectonic explain why most volcanoes occur on plate boundaries?
A
Because the plates cause volcanoes
B
because mountains can form
C
As plates move apart or converge they may become weaker and allow magma to come to the surface.
D
Because they are on plates
15) Why do the stars appear to move at night?
A
Because the Moon makes them look that way.
B
Becuase they are moving with the galaxy
C
This is due to the Earth's motion.
D
Because some stars fall becoming falling stars
16) What type of star is our Sun?
A
A mid sized
B
A giant star.
C
A hot burning star
D
A big one
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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