Physical Changes

Physical Changes

Assessment

Flashcard

Science

8th Grade

Practice Problem

Hard

Created by

Sally Long

FREE Resource

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11 questions

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1.

FLASHCARD QUESTION

Front

The transition from a solid directly to a gas is known as

Back

sublimation.

2.

FLASHCARD QUESTION

Front

According to the Law of Conservation of Mass, if you dissolve 50 g of sugar in 200 g of water, what is the total mass of the mixture?

Back

250 grams

3.

FLASHCARD QUESTION

Front

Which of the following is NOT an example of a physical change?

  • Water freezing
  • Wood breaking apart
  • Salt dissolving in water
  • Baking soda and vinegar combine and form bubbles

Back

Baking soda and vinegar combine and form bubbles

4.

FLASHCARD QUESTION

Front

What do particles of most substances tend to do when a substance is cooled?

Back

Slow down and come closer together

5.

FLASHCARD QUESTION

Front

Which of the following is an example of condensation?

Back

Moisture forming on the surface of a cold mirror

6.

FLASHCARD QUESTION

Front

Boiling and evaporation are two examples of _______________, where a liquid changes to a gas.

Back

vaporization

7.

FLASHCARD QUESTION

Front

At what temperature did boiling likely occur? Temperatures recorded every 20 seconds: 92, 96, 97, 98, 100, 100, 100, 100, 103, 105 (in degrees Celsius).

Back

100 degrees Celsius

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