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Chemical Reactions

Chemical Reactions

Assessment

Interactive Video

Science

7th Grade

Practice Problem

Easy

Created by

Amielia Cool

Used 2+ times

FREE Resource

13 questions

Show all answers

1.

SLIDE QUESTION

30 sec • Ungraded

2.

LABELLING QUESTION

1 min • 1 pt

Element- Smallest Group of a pure substance

Mixture- 2 or more elements that share a space

Compound- 2 or more elements that have chemically bonded

c
b
a

Compound

Element

Mixture

3.

WORD CLOUD QUESTION

3 mins • Ungraded

How do you know a CHEMICAL reaction has occurred? (Not a physical one?)

1-2 words. Feel free to add more examples in the chat

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Substances have different __ after a chemical change.

5.

CATEGORIZE QUESTION

3 mins • 1 pt

Add this information to your notes

Groups:

(a) Physical change

,

(b) Chemical Change

The chemical structure stays the SAME

baking brownies (yumm)

burning wood

lava hardening

The Chemical structure CHANGES

Boiling water

condensation

phososynthesis

6.

MATCH QUESTION

1 min • 1 pt

Match the following

Precipitate

solid that forms when 2 liquids are chemically combined

Chemical Bond

process in which one chemical changes into another chemical

Chemical Reactions

Attraction between the atoms in a compound

7.

OPEN ENDED QUESTION

3 mins • 1 pt

Use this format to create the Evidence and Reasoning paragraph for the given claim.

Reminder- practicing is the ONLY thing that makes this easier. I am here to help.

Claim: The elephant toothpaste demonstration is an example of a chemical reaction.

I know this because (fill in with evidence)... Therefore, the claim is supported by the evidence because (put the evidence claim together).

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