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Amplify Chemical Reactions 1.4

Amplify Chemical Reactions 1.4

Assessment

Presentation

Science

7th Grade

Medium

NGSS
MS-PS1-4, MS-PS1-1, MS-PS1-2

+5

Standards-aligned

Created by

Jennifer Nowlin

Used 31+ times

FREE Resource

53 Slides • 16 Questions

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Poll

Do you think the chemical from the bell ringer will be effective in melting ice?

Yes

No

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​Turn to page A1 in your workbook.

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Turn to A1 in your workbook.

​Have your pencil and highlighter out. I will read the first column to you then you will highlight and underline text shown to you.

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Fill in the Blank

How would you describe the observations made in the following sentence: "The wooden table you’re sitting at is hard, your orange juice smells sweet, and the sugar in your sugar bowl is white."

Qualitative or quantitative

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I will read the columns to you then you will highlight and underline text shown to you.

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Multiple Choice

Which of theses is a chemical formula?

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H2O2

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NaHCO3

3

C8H18

4

All of the above

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I will read the columns to you then you will highlight and underline text shown to you.

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I will read the columns to you then you will highlight and underline text shown to you.

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I will read the columns to you then you will highlight and underline text shown to you.

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I will read the columns to you then you will highlight and underline text shown to you.

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I will read the columns to you then you will highlight and underline text shown to you.

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I will read the columns to you then you will highlight and underline text shown to you.

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Open Ended

Why do ethyl butyrate and isovaleric acid have different properties?

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Multiple Choice

Why are oxygen molecules different than ozone molecules even though they are made up of the same atoms?

1

They have different structures.

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They have different amounts of atoms.

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They have different bonds.

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All of the above answers are correct.

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In a physical change the appearance or form of the matter changes but the kind of matter in the substance does not. However in a chemical change, the kind of matter changes and at least one new substance with new properties is formed.

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Multiple Choice

Flammability is the ability of a substance to burn. What type of property is it?

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Chemical property

2

Physical property

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Multiple Choice

 Ice melting is an example of a______.

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Physical change

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Chemical change

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Multiple Choice

Physical properties are

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properties that can be observed without changing the identity of the substance

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properties that describe how a substance changes into a completely different substance

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properties that we can only observe with our eyes

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properties that we need special tools to observe

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Multiple Choice

 Which is an example of a chemical change?

1

melting ice to make water

2

baking cake batter to make a cake

3

putting cheese on bread to make a cheese sandwich

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cutting an orange into slices for a snack

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Multiple Choice

Hammering wood together to build a playhousev

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Chemical change

2

Physical change

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Multiple Choice

A copper penny turning greenish after a few years.

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Chemical change

2

Physical change

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Multiple Choice

Burning a marshmallow over a campfire

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Chemical change

2

Physical change

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Multiple Choice

 

Photosynthesis is the process in which plants make sugar(glucose) and oxygen. It is a ---- property.

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Chemical

2

Physical chang

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Multiple Choice

Solubility, the ability to dissolve, is a --- property.

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Chemical

2

Physical

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I will read the columns to you then you will highlight and underline text shown to you.

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I will read the columns to you then you will highlight and underline text shown to you.

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I will read the columns to you then you will highlight and underline text shown to you.

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Open Ended

Can you think of two things that look exactly alike but are actually completely different?

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I will read the columns to you then you will highlight and underline text shown to you.

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I will read the columns to you then you will highlight and underline text shown to you.

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I will read the columns to you then you will highlight and underline text shown to you.

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Open Ended

Why do you think different substances have different properties?

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​Turn to page 16 in your workbook.

​What I learned from this lesson:

  1. ​Substances are made entirely of atoms.

  2. ​Atoms are extremely small; they are not visible to the eye.

  3. ​Science theories are based on a body of evidence developed over time.

  4. ​The term theory as used in science is very different from the common use outside of science.

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