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Mid-Term Review 8th Grade Physical Science 1
Test Description: Use this to help you study for the Mid-Term Exam
Instructions: Answer all questions to get your test result.
1) Where on the periodic table would you find the largest atom?
A
towards the bottom right side
B
towards the middle left side
C
the top row
D
nowhere since it is impossible to tell
2) If you recorded 0.75 seconds, how many milliseconds would that be?
A
75
B
750
C
750,000
D
75,000
3) Which of these series of steps is in a logical order?
A
Hypothesis, experiment, data collection, conclusion
B
Observation, experiment, analysis, hypothesis
C
Experiment, observations, hypothesis, conclusion
D
Hypothesis, observations, data collection, conclusion
4) Light travels at 300,000,000 m/s. What exponent will the 10 have in scientific notation?
A
-9
B
9
C
-8
D
8
5) How many pascals are in a kilopascal?
A
100
B
1000
C
.001
D
10
6) In choosing a material to carry electric current, which property would be most important?
A
ductility
B
boiling point
C
malleability
D
conductivity
7) If a scientist's experiment proves her hypothesis false, what is her next step?
A
Repeat the experiment to confirm before revising hypothesis
B
Revise her hypothesis, modify her experiment, and re-test
C
Change the analysis so that her hypothesis is proven true.
D
Rewrite her hypothesis so that her data proves it true.
8) What process uses differences in boiling points of a substance to separate a mixture?
A
evaporation
B
distillation
C
filtration
D
corrosion
9) Which chemical reaction results in the same amount of matter on both sides of the equation?
A
Hydrogen + Oxygen --- Water
B
Carbon + Oxygen --- Carbon Dioxide
C
All the answers are correct.
D
Sodium + Chlorine --- Salt
10) A snail's pace is 0.00086 m/s. In scientific notation, what number is multiplied by 10^?
A
8.6
B
-8.6
C
-86
D
86
*select an answer for all questions
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