Chemistry Unit Test

Chemistry Unit Test

Assessment

Flashcard

Chemistry

8th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What happens to particles when more heat is supplied to a system?

Back

They speed up.

2.

FLASHCARD QUESTION

Front

How many atoms of Hydrogen are in the compound H2O?

Back

2

3.

FLASHCARD QUESTION

Front

What is the difference between natural and synthetic resources?

Back

Natural resources occur in nature, while synthetic resources are man-made.

4.

FLASHCARD QUESTION

Front

Heat transfers from ______ objects to cold objects.

Back

Hot.

5.

FLASHCARD QUESTION

Front

What does minimum criteria for temperature in a project mean?

Back

This is the lowest temperature acceptable for the project.

6.

FLASHCARD QUESTION

Front

What is the definition of an atom?

Back

The smallest unit of a chemical element, consisting of a nucleus surrounded by electrons.

7.

FLASHCARD QUESTION

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

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