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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
nowhere since it is impossible to tell
B
towards the middle left side
C
towards the bottom right side
D
the top row
2) If you recorded 0.75 seconds, how many milliseconds would that be?
A
75
B
75,000
C
750,000
D
750
3) Which of these series of steps is in a logical order?
A
Hypothesis, experiment, data collection, conclusion
B
Hypothesis, observations, data collection, conclusion
C
Experiment, observations, hypothesis, conclusion
D
Observation, experiment, analysis, hypothesis
4) Light travels at 300,000,000 m/s. What exponent will the 10 have in scientific notation?
A
8
B
-8
C
9
D
-9
5) How many pascals are in a kilopascal?
A
10
B
100
C
1000
D
.001
6) In choosing a material to carry electric current, which property would be most important?
A
boiling point
B
malleability
C
conductivity
D
ductility
7) If a scientist's experiment proves her hypothesis false, what is her next step?
A
Revise her hypothesis, modify her experiment, and re-test
B
Repeat the experiment to confirm before revising hypothesis
C
Rewrite her hypothesis so that her data proves it true.
D
Change the analysis so that her hypothesis is proven true.
8) What process uses differences in boiling points of a substance to separate a mixture?
A
distillation
B
filtration
C
evaporation
D
corrosion
9) Which chemical reaction results in the same amount of matter on both sides of the equation?
A
Hydrogen + Oxygen --- Water
B
Sodium + Chlorine --- Salt
C
All the answers are correct.
D
Carbon + Oxygen --- Carbon Dioxide
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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