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Physical and Chemical Change

Physical and Chemical Change

Assessment

Presentation

Science

5th Grade

Hard

NGSS
5-PS1-4, 5-PS1-3

Standards-aligned

Created by

Naomi Addison

Used 58+ times

FREE Resource

9 Slides • 3 Questions

1

Physical and Chemical Change

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2

Open Ended

Quick Think:

How can we tell the difference between a physical and chemical change?

3

4

Physical Change

  • Changes the form or appearance of a substance

  • Does not change substance into anything new.

  • Examples:

  • Whipping eggs

  • Boiling Water

  • Dissolving Sugar

  • Dicing Vegetables

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5

Physical Changes Cont

  • Changing the state of matter

  • Changing the color

  • Changing the shape

  • Changing the texture

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6

Multiple Select

What are the physical characteristics of an ice cube? (Select all that apply)

1

Solid

2

Smooth

3

Cold

7

Multiple Select

Select all the examples of a physical change

1

Smoke/ Fire

2

Cutting a piece of paper

3

Color Change

4

Solid forming

5

Melting

8

Recap: Chemical Change

  • Occurs when two or more molecules interact and the molecules change into a new substance.

  • Bonds between atoms are broken and created to form new molecules.

  • Examples

  • Iron rusting

  • Gas Burning

  • Eggs Cooking

  • Bread Rising

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9

Unexpected Color Change

  • New molecules created in a chemical reaction radiate light differently producing new colors.

  • Examples:

  • Fireworks

  • Leaves changing from green to orange and red in the fall

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10

Unexpected Temperature Change

  • During chemical bonding, energy is released or absorbed making their surroundings hotter or cooler.

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11

Combustion/Burning

  • A chemical reaction between substances, usually including oxygen accompanied by giving off heat and/or light.

  • This a permanent change that cannot be undone

  • Examples:

  • Wood burning

  • Burning a Candle

  • Rusting

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12

Bubbles Form

  • When gases produced in a chemical reaction are released.

  • Examples:

  • Alka-Seltzer

  • Bubbles released when vinegar and baking soda are combined

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Physical and Chemical Change

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