Chemistry

Chemistry

Assessment

Flashcard

Chemistry, Science

6th - 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 causes helium balloons to rise on Earth?

Back

Helium is less dense than air.

2.

FLASHCARD QUESTION

Front

Which object has the lowest density in water?

Back

The Ping Pong Ball because it floats to the top.

3.

FLASHCARD QUESTION

Front

What are the products of the reaction that produces carbon monoxide?

Back

2 carbon monoxide.

4.

FLASHCARD QUESTION

Front

What is an example of a chemical change?

Back

The rusting of iron.

5.

FLASHCARD QUESTION

Front

If an object has a density of 0.6 g/mL, will it sink or float in water?

Back

It will float.

6.

FLASHCARD QUESTION

Front

What is density?

Back

Density is the mass of an object divided by its volume.

7.

FLASHCARD QUESTION

Front

How does temperature affect the density of gases?

Back

As temperature increases, the density of gases generally decreases.

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