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Physical Science 2
Test Description: Cumulative Review
Instructions: Answer all questions to get your test result.
1) 1m = 100 ___
A
mm
B
km
C
dm
D
cm
2) Why is water known as the universal solvent?
A
It dissolves all known substances.
B
It dissolves substances faster than any other substance.
C
It dissolves only solid substances.
D
It dissolves the greatest number of substances.
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
voltmeter
B
resistor
C
generator
D
insulator
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
32 C
C
0 F
D
0 C
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 motion of the ball is changed by external forces.
B
The acceleration of the ball is unstable.
C
The pressure on the ball changes with altitude.
D
The force exerted on the ball is greater than gravity.
7) Which characteristic is common to the four outer planets in our solar system?
A
High density
B
Low mass
C
Gaseous composition
D
Fast revolution
8) When comparing a plant cell to an animal cell, only the plant cell will contain-
A
chromosomes
B
mitochondria
C
ribosomes
D
chloroplasts
9) Which of these is the best description of a typical organism in the Plant Kingdom?
A
Lacks a cell wall
B
Makes its own food
C
Lacks a nucleus
D
Is unicellular
10) Which of these is a way that a person can help improve air quality?
A
Build a compost pile.
B
Carpool with several people.
C
Burn leaves in the fall.
D
Use a gas-powered lawn mower.
*select an answer for all questions
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