Science 9 Review #2 Question Preview (ID: 47382)


Review On All 5 Units Of Science 9. TEACHERS: click here for quick copy question ID numbers.

What is kinetic energy?
a) The energy from elasticity.
b) The energy in chemical bonds.
c) The energy of motion.
d)

What does LD50 mean?
a) The dose of chemical that will kill 50% of the population to which it is applied.
b) The dose of chemical that will kill 20% of the population to which it is applied.
c) The dose of chemical that will kill 30% of the population to which it is applied.
d)

What is meiosis?
a) The formation of body cells.
b) The formation of gametes (sex cells).
c)
d)

What types of elements make up a molecular compound?
a) A metal and a non metal.
b) Two non metals.
c)
d)

Which of the following is an example of a non-renewable resource?
a) Trees
b) Water
c) Oil
d) Wind

What is a solvent?
a) The substance that is dissoved.
b) The substance that can be used to dissolve another substance.
c)
d)

What is a species?
a) A group of organisms that look like.
b) A group of organisms that live in the same area.
c) A group of organisms that share similar genetic and physical characteristics, and can interbreed.
d)

What is a structural adaptation?
a) An adaptation that an organism learns.
b) An adaptation that helps an organism survive in its environment.
c) How an organism responds in a situation.
d)

What is a trace element?
a) A mineral that the body requires in the amount of less than 100mg/day in order to maintain health.
b) A mineral that the body requires in the amount of more than 100mg/day in order to maintain health.
c) A mineral that the body requires in the amount of less than 50mg/day in order to maintain health.
d) A mineral that the body requires in the amount of more than 50mg/day in order to maintain health.

What is a voltmeter?
a) It measures amperage.
b) It measures resistance.
c) It measures voltage.
d)

What does WHMIS stand for?
a) Workplace Helping Manual for Safety
b) Workplace Hazards Management Information System
c) Workplace Hazardous Materials Information System
d)

What is a zygote?
a) Another name for gamete.
b) The result of fertilization.
c) A single celled organism.
d)

What does toxicity mean?
a) The ability of a chemical to help an organism.
b) The ability of a chemical to harm an organism.
c)
d)

What separates the inner planets from the outer planets?
a) The Sun.
b) The Earth.
c) An asteroid belt.
d) Mercury.

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.
c)
d)

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