Chemical Interactions - Unit Review

Chemical Interactions - Unit Review

Assessment

Flashcard

Chemistry

6th - 7th Grade

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the difference between cold air particles and hot air particles?

Back

Cold air particles are closer together, have less kinetic energy (KE), and move slower than hot air particles. They are not smaller than hot air particles.

2.

FLASHCARD QUESTION

Front

What is NOT a sign of a chemical change?

Back

A loss of transparency is NOT a sign of a chemical change.

3.

FLASHCARD QUESTION

Front

Which of the following is NOT evidence of a chemical reaction?

Back

Melting is NOT evidence of a chemical reaction.

4.

FLASHCARD QUESTION

Front

What does a balanced chemical equation represent?

Back

A balanced chemical equation shows that the number of atoms of each element is the same on both sides of the equation.

5.

FLASHCARD QUESTION

Front

In which direction does heat travel?

Back

Heat always travels from hot to cold objects.

6.

FLASHCARD QUESTION

Front

What is kinetic energy (KE)?

Back

Kinetic energy is the energy that an object possesses due to its motion.

7.

FLASHCARD QUESTION

Front

What is a chemical change?

Back

A chemical change is a process where substances combine or break apart to form new substances.

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