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Chemical Magic Unit Review

Chemical Magic Unit Review

Assessment

Presentation

Science

5th Grade

Practice Problem

Medium

NGSS
5-PS1-3, MS-PS1-2, 5-PS1-4

+1

Standards-aligned

Created by

Laura Danford

Used 230+ times

FREE Resource

10 Slides • 6 Questions

1

Mystery Science: Chemical Magic Unit Review

5th grade

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2

Today we will review for the unit test

Mystery Science: Chemical Magic Unit

3

How do we know that acid is reactive?

Let's review.

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4

Acid is reactive

  • acid dissolves metal

  • bubbles might form

  • color change may occur

  • smoke can form

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5

Poll

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Are all acids dangerous?

Yes

No

I don't know

What is an acid?

6

Multiple Select

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Choose the two things we can use to see if something is an acid:

1

water and soap

2

purple indicator liquid

3

vinegar and salt

4

baking soda

7

Can we drink acid?

Answer: Yes! Why do people add acids to their food? It has a sour taste.

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8

Multiple Choice

Which of these is NOT an acid?

1

Orange juice

2

Lemon juice

3

soap

4

vinegar

9

Multiple Select

What are two ways acid reacts with other substances?

1

bubbles form

2

sound energy

3

acid is not reactive

4

dissolves metal

10

Discussion: Why are some pennies dull?

Key word: oxidation

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11

Why do shiny pennies turn dull?

They turn dull when exposed to air over time (Oxidation).

12

Multiple Choice

What solution makes a dull penny shiny?

1

vinegar

2

water and soap

3

salt water

4

vinegar and salt

13

Discussion: Who were the alchemists?


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14

Who were the alchemists?

A group of people long ago who tried to turn ordinary metal into gold using different liquids and experimentation.

15

 The alchemists claimed that ordinary metals can be transformed into gold. Is this claim true? Why or Why not?


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16

Multiple Choice

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The alchemists claimed that ordinary metals can be transformed into gold. Is this claim true? Why or Why not?

1

This claim is not true. Metals can be coated with other metals; not transformed.

2

This claim is true. Where is gold coming from, if not from alchemists?

Mystery Science: Chemical Magic Unit Review

5th grade

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