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End Of Course Review #1
Test Description: This is a partial end of course review for the 7th grade. (Most questions related to flow of energy through food chain)
Instructions: Answer all questions to get your test result.
1) A manufacturer is conducting research using a hammock they want to sell to consumers. The manufacturer places different amounts of mass on the hammock and observes what happens to the hammock. Which feature of the hammock is being tested?
A
The color and style preference of consumers
B
The force required to swing the hammock
C
The force required to break the ropes
D
The damage to the hammock caused by the sun
2) In a food chain, which are the most efficient users of solar energy?
A
Carnivores
B
Herbivores
C
Parasites
D
Omnivores
3) Green plants are important to animals because the plants...
A
produce food and give off oxygen
B
consume food and give off carbon dioxide
C
consume food and give off oxygen
D
produce food and give off carbon dioxide
4) Snakes feed on mice. The mice eat grain crops. When the corps are plentiful, what will happen?
A
The mouse population will decrease.
B
The mouse population will not change.
C
The snake population will increase.
D
The snake population will decrease.
5) Which of these parts of an animal would be most likely to form a fossil?
A
eye
B
kidney
C
heart
D
tooth
6) What type of rock is formed in layers?
A
obsidian
B
igneous
C
granite
D
sedimentary
7) Wind occurs when air masses move from one place to another. What causes the movement of air masses?
A
The heating of the air
B
The condensation of air
C
The position of the moon
D
The rotation of Earth
8) When modern disease-controlling medicines and practices are introduced in developing countries, the first major change is that...
A
life spans increase
B
birth rates decrease
C
the population decreases
D
the water supply increases
9) After a recent experiment, a scientist noticed that the computer simulation varied from the actual experiment. What should the scientist do?
A
Ignore the simulation as inaccurate because of a possible computer virus.
B
Ignore the actual results as inaccurate because computers are very precise.
C
Repeat the experiment several times in order to verify the results.
D
Adjust the computer's program so it matches the actual results.
10) Some scientists are concerned that television, radio, and newspapers report the outcome of experiments too quickly. What would be the major scientific concern?
A
The level of scientific research is lowered to a media event.
B
Other agencies may hear of the experiments and claim credit for them.
C
Commercial organizations may copy the ideas and sell them for profit.
D
Conclusions may be drawn by the public before the results are verified by other laboratories.
*select an answer for all questions
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