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GED Updated GED-Science Exam Questions and Answers by baxter

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GED GED-Science Exam Overview :

Exam Name: GED Science Exam
Exam Code: GED-Science Dumps
Vendor: GED Certification: GED Science
Questions: 300 Q&A's Shared By: baxter
Question 36

An electromagnet is a magnet that can be turned on and off. It consists of a central metal core, such as iron, and many wrappings of wire around the metal core. An electrical current sent through the wire wrappings causes the formation of a magnetic field. There are several ways to increase the strength of an electromagnet: increasing the number of wrappings, increasing the current of electricity, making the wrappings closer together, or increasing the diameter of the core.

Five electromagnets are shown above. The electrical power source for each electromagnet is an ordinary flashlight battery.

Questions 36

Which electromagnet will produce the strongest magnetic field?

Options:

A.

A

B.

B

C.

C

D.

D

E.

E

Discussion
Question 37

Which scientific study would probably be most useful in predicting worldwide rainfall trends?

Options:

A.

compiling yearly rainfall amounts in different areas of the world

B.

analyzing the mineral content of the deserts of the world

C.

checking the pH of soil samples on different continents

D.

checking soil samples for evidence of radioactivity in predetermined sites

E.

studying fossil records of ancient plants that existed in various areas

Discussion
Question 38

When choosing an organism to study, geneticists prefer the following characteristics. The organism should be small, have a fast growth rate, and have the ability to produce many offspring.

Based on these criteria, which plant would be LEAST useful for a genetic study?

Options:

A.

moss

B.

grass plant

C.

dandelion

D.

oak tree

E.

tomato plant

Discussion
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Question 39

What is a likely prediction about other vertebrates with magnetite near their brains?

Options:

A.

suffer middle-ear related balance problems

B.

use the Sun to determine direction of movement

C.

use the stars to determine direction of movement

D.

have a good sense of direction

E.

weigh less because of the decreased force of gravity

Discussion
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