FREE SCIENCE AND STUDY GAMES ABOUT GED SCIENCE

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FREE SCIENCE AND STUDY GAMES ABOUT GED SCIENCE

VOCAB EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -75 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: trait

Answer:

a characteristic of an organism, often inherited

Question 2: supporting details

Answer:

observations, measurements, and other facts that back up a conclusion

Question 3: inference

Answer:

a fact or idea that you figure out based on stated information

Question 4: vaporization

Answer:

the change of a liquid to a gas

Question 5: opinion

Answer:

a belief that may or may not be true

Question 6: endothermic reaction

Answer:

chemical reaction that absorbs energy

Question 7: acid

Answer:

substance with a pH less than 7

Question 8: covalent bond

Answer:

a chemical combination of two or more atoms in which pairs of electrons are shared

Question 9: unstated assumption

Answer:

a fact or idea that is taken for granted and not actually stated

Question 10: metamorphosis

Answer:

the process by which the immature form of an organism turns into a very different adult form

Question 11: mitosis

Answer:

process by which a cell nucleus divides to form two daughter nuclei identical to parent

Question 12: hypothesis

Answer:

theory used to explain something

Question 13: acceleration

Answer:

any change in the speed or direction of motion of an object

Question 14: chemical reaction

Answer:

a change in which atoms of one or more substances form new substances with different chemical and physical properties

Question 15: ionic bond

Answer:

the bond between two or more ions

Question 16: friction

Answer:

a force that slows down or prevents motion

Question 17: nonrenewable resource

Answer:

a resource that cannot be replaced once it's used up

Question 18: solute

Answer:

the substance being dissolved in a solution

Question 19: phenotype

Answer:

in genetics, the observable physical characteristics of an organism

Question 20: condensation

Answer:

the change of a gas into a liquid

Question 21: producers

Answer:

organisms in a food chain that product their own food, usually through photosynthesis

Question 22: imply

Answer:

to suggest something without actually saying it

Question 23: decomposer

Answer:

in a food chain, an organism that breaks down dead plants and animals

Question 24: solution

Answer:

a mixture in which one or more substances are dissolved in another

Question 25: denitrification

Answer:

process by which certain bacteria in the soil change nitrates into nitrogen gas, returning it to the air

Question 26: restate information

Answer:

to say something in another way

Question 27: pH scale

Answer:

range of numbers (0-14) that indicate acidic or basic character of a solution

Question 28: proton

Answer:

particle with a positive charge that forms part of the nucleus of an atom