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Science 9 Review #2
Test Description: Review on all 5 units of Science 9.
Instructions: Answer all questions to get your test result.
1) What is kinetic energy?
A
The energy of motion.
B
The energy from elasticity.
C
The energy in chemical bonds.
2) What does LD50 mean?
A
The dose of chemical that will kill 30% of the population to which it is applied.
B
The dose of chemical that will kill 50% of the population to which it is applied.
C
The dose of chemical that will kill 20% of the population to which it is applied.
3) What is meiosis?
A
The formation of body cells.
B
The formation of gametes (sex cells).
4) What types of elements make up a molecular compound?
A
Two non metals.
B
A metal and a non metal.
5) Which of the following is an example of a non-renewable resource?
A
Oil
B
Trees
C
Wind
D
Water
6) What is a solvent?
A
The substance that can be used to dissolve another substance.
B
The substance that is dissoved.
7) What is a species?
A
A group of organisms that live in the same area.
B
A group of organisms that look like.
C
A group of organisms that share similar genetic and physical characteristics, and can interbreed.
8) What is a structural adaptation?
A
How an organism responds in a situation.
B
An adaptation that helps an organism survive in its environment.
C
An adaptation that an organism learns.
9) What is a trace element?
A
A mineral that the body requires in the amount of more than 50mg/day in order to maintain health.
B
A mineral that the body requires in the amount of less than 50mg/day in order to maintain health.
C
A mineral that the body requires in the amount of more than 100mg/day in order to maintain health.
D
A mineral that the body requires in the amount of less than 100mg/day in order to maintain health.
10) What is a voltmeter?
A
It measures amperage.
B
It measures voltage.
C
It measures resistance.
11) What does WHMIS stand for?
A
Workplace Helping Manual for Safety
B
Workplace Hazards Management Information System
C
Workplace Hazardous Materials Information System
12) What is a zygote?
A
Another name for gamete.
B
The result of fertilization.
C
A single celled organism.
13) What does toxicity mean?
A
The ability of a chemical to harm an organism.
B
The ability of a chemical to help an organism.
14) What separates the inner planets from the outer planets?
A
The Earth.
B
The Sun.
C
Mercury.
D
An asteroid belt.
15) What is a non-point source of pollution?
A
A source of pollution that cannot be traced to an original location.
B
A source of pollution that can be traced to an original location.
*select an answer for all questions
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