Chemical Reactions Key Concepts Bell Ringer

Chemical Reactions Key Concepts Bell Ringer

7th Grade

10 Qs

quiz-placeholder

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Chemical Reactions Key Concepts Bell Ringer

Chemical Reactions Key Concepts Bell Ringer

Assessment

Quiz

Chemistry

7th Grade

Medium

Created by

Autumn James

Used 12+ times

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the starting substances in a chemical reaction called?

Reactants

Atoms

Products

Properties

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During a chemical reaction, do atoms change from one type to another?

Not sure

Sometimes

No

Yes

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the atoms during a chemical reaction?

They change from one type to another

They rearrange to form products

They disappear

They become larger

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Do the new substances formed in a chemical reaction have the same properties as the old substances?

Not sure

Sometimes

No

Yes

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Can atoms be created or destroyed during a chemical reaction?

Yes

No

Sometimes

Not sure

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the Law of Conservation of Mass?

The total mass of the reactants is not related to the total mass of the products

The total mass of the reactants is greater than the total mass of the products

The total mass of the reactants is less than the total mass of the products

The total mass of the reactants is equal to the total mass of the products

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do scientists analyze to determine if a chemical reaction has occurred?

Melting point

Boiling point

Density

All of the above

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