Science GED READY QUICK QUIZ #7

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* 1. The way that crimes are solved today was affected by which of the following technologies?

gene therapy

genetic testing

DNA fingerprinting

Genetic modification

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* 2. Which characteristics do most plants have in common?

they produce seeds

every plant is a single-celled organism

all plants produce their own food

plant cells are mostly round and irregular in shape

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* 3. The measure of the amount of matter in an object is called_____.

mass

size

volume

energy

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* 4. Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot like the end in the hot water?

The hot water heats the air surrounding the upper part of the spoon

The hot water causes a physical change in the spoon handle.

The hot water causes a chemical reaction to take place in the spoon.

The heat from the hot water is conducted to the spoon handle.

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* 5. A small body, either human-made or natural, revolving around a more substantial body is called a _____.

satellite

star

comet

planet

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* 6. Day and night are caused by ______.

eclipses.

the gravitational interaction between the Earth and the Moon.

Earth's rotation on its axis.

Earth's revolution around the Sun

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* 7. The cell membrane of the red blood cell will allow water, oxygen, and carbon dioxide to pass through. Because other substances are blocked from entering, this membrane is called ______.

non-conductive

semi-permeable

permeable

perforated

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* 8. Which country put the first satellite in space, in 1957?

Russia

United States

Korea

Germany

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* 9. The rate of a chemical reaction depends on all of the following except

temperature.

surface area

amount of mass lost.

presence of catalysts.

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* 10. Nora makes soup by adding some spices to a pot of boiling water and stirring the spices until completely dissolved. Next, she adds several chopped vegetables. What is the solute in her mixture?

spices

water

heat

vegetables