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FREE SCIENCE AND STUDY GAMES ABOUT GED SCIENCE
VOCAB EXAM QUESTIONS
Qs and Ans Expert- Explanation
This Exam contains:
-Guarantee passing score -75 Questions and Answers -format set of multiple-choice -Expert- 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 ly 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 ly 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
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