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Physical Science 2
Test Description: Cumulative Review
Instructions: Answer all questions to get your test result.
1) 1m = 100 ___
A
cm
B
dm
C
mm
D
km
2) Why is water known as the universal solvent?
A
It dissolves only solid substances.
B
It dissolves all known substances.
C
It dissolves the greatest number of substances.
D
It dissolves substances faster than any other substance.
3) A group of campers travel to a cabin with no electrical power. In order to provide a heater and lights, which device would be appropriate?
A
resistor
B
voltmeter
C
insulator
D
generator
4) The physical expression of a trait in an organism is known as_
A
phenotype
B
double helix
C
genotype
D
chromosome
5) Which of these represents teh freezing point of water in correct SI units?
A
-273 C
B
0 C
C
32 C
D
0 F
6) A girl kicks a soccer ball into the air. Which of these best describes why the soccer ball falls back to Earth?
A
The acceleration of the ball is unstable.
B
The pressure on the ball changes with altitude.
C
The force exerted on the ball is greater than gravity.
D
The motion of the ball is changed by external forces.
7) Which characteristic is common to the four outer planets in our solar system?
A
Fast revolution
B
High density
C
Low mass
D
Gaseous composition
8) When comparing a plant cell to an animal cell, only the plant cell will contain-
A
mitochondria
B
ribosomes
C
chloroplasts
D
chromosomes
9) Which of these is the best description of a typical organism in the Plant Kingdom?
A
Is unicellular
B
Lacks a cell wall
C
Lacks a nucleus
D
Makes its own food
10) Which of these is a way that a person can help improve air quality?
A
Use a gas-powered lawn mower.
B
Burn leaves in the fall.
C
Build a compost pile.
D
Carpool with several people.
*select an answer for all questions
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