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TCI U3 L6 Conserved Matter

TCI U3 L6 Conserved Matter

Assessment

Flashcard

Science

5th 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 is the law of conservation of matter?

Back

The law of conservation of matter states that matter cannot be created or destroyed in a chemical reaction; it can only change forms.

2.

FLASHCARD QUESTION

Front

Why do scientists believe the law of conservation of matter is always true?

Back

Scientists assume it is true because it has been observed repeatedly in experiments.

3.

FLASHCARD QUESTION

Front

What happens to matter during a state change?

Back

No matter is gained or lost during a state change; it only changes form.

4.

FLASHCARD QUESTION

Front

What occurs when substances are mixed together?

Back

The total weight of the mixture is the sum of the weights of the individual substances.

5.

FLASHCARD QUESTION

Front

What happens to the weight of a mixture when heated?

Back

The weight may decrease if substances like water evaporate during heating.

6.

FLASHCARD QUESTION

Front

What can happen to particles during a chemical reaction?

Back

The particles can rearrange to form new substances.

7.

FLASHCARD QUESTION

Front

What is an example of a state change?

Back

Ice melting into water is an example of a state change.

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