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3.5 Mixtures and Solutions

3.5 Mixtures and Solutions

Assessment

Presentation

โ€ข

Science

โ€ข

8th Grade

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Practice Problem

โ€ข

Easy

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NGSS
MS-PS1-1, MS-ESS1-1, MS-PS1-2

+3

Standards-aligned

Created by

Muriel Watson

Used 103+ times

FREE Resource

21 Slides โ€ข 17 Questions

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3.5 Mixtures and Solutions

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Multiple Choice

Gold is an element. All the atoms in gold are the same size and have the same properties?

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True

2

False

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Multiple Choice

All ____________ are made up of two or more atoms bonded together.

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atoms

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molecules

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electrons

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elements

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Multiple Choice

An element is a pure substance made of only one type of atom. That means the element Carbon is only made of carbon atoms.

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True

2

False

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Multiple Select

Check all that are true statements

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elements contain one type of atom while compounds are made up of different types of atoms

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neither elements nor compounds are made of atoms

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both elements and compounds are pure substances

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Multiple Choice

Mixtures are made by combining either elements or compounds or both

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true

2

false

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Multiple Select

Which of the following are examples of heterogeneous mixtures. (unevenly mixed) (Check all that apply)

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salad

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chocolate chip cookies

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cereal in milk

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a bowl of M & M/s with different colors

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pizza with different toppings

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Multiple Choice

Salt water (dissolved) and metal alloys are homogeneous mixtures because they are evenly mixed throughout.

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True

2

False

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Multiple Choice

Why is air a homogeneous mixture?

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It depends on the temperature

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It's mixed so well you can't tell that it contains more than one gas in the mixture

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It contains different amounts of water vapor. and birds fly in the air.

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Multiple Choice

If a spoonful of sugar is mixed in a glass of water, what is the water called?

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solute

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solvent

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solution

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element

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Multiple Choice

the substance that dissolves

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solvent

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solute

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solution

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unsaturated

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Multiple Choice

substance that dissolves the solute

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solution

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saturation

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solvent

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Multiple Choice

In the video, which substance is being broken apart or dissolved?

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NaCl (salt)- represented by brown and green spheres)

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H2O (water)- represented by red and gray spheres

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Multiple Choice

The ability to dissolve in a solvent

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solute

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pure substance

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solubility

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Multiple Select

Which of the following affect the rate that a solute can dissolve into a solvent? Check all that apply.

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size of the solute

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rate of stirring

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temperature of the solvent

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Multiple Select

Which substances or objects are insoluble in room temperature water? check all that apply

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sand

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metal

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wood

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oil

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Multiple Choice

Question image

Italian dressing is a

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suspension

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element

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compound

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Poll

How do you feel about what you have learned in this lesson?

๐Ÿ˜Š Great! I am confident that I understand the material.

๐Ÿ™‚ Good, but I still have a question. I will ask the teacher about it by email or in class.

๐Ÿ˜ OK, but I need more practice. I will read through the lesson and re-watch some of the videos.

๐Ÿคจ I need help. I will review the lesson and make a list of topics that are confusing to me. I will reach out to the teacher for help.

3.5 Mixtures and Solutions

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