Mixtures, Solutions and Reactions

Student Journal

After watching the Steve Spangler videos, what do you think is happening to the liquid nitrogen? ______

List the objectives of this unit here.

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HOMEMADE ROOT BEER

What three ingredients were combined by the teacher?

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What is happening as the teacher mixes the ingredients?

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Do you think these ingredients could be separated now that they have been combined? Why or why not? ______

Watch closely as the teacher places the dry ice in the liquid. Describe what is happening.

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Make a hypothesis that explains what you think is causing what you have observed.

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What I know about Solutions, Mixtures and Physical Change

What I want to know about Solutions, Mixtures and Physical Change

What I learned about Solutions, Mixtures and Physical Change

Physical change and Matter

What is matter? Write the definition and list three examples.

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What are the three phases of matter?

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What is a liquid? Write the definition and list three examples.

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What is a gas? Write the definition and list three examples.

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What is a solid?

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What is a physical change?

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List five examples of a physical change.

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Describe in at least three sentences some of the ways the ice cream showed a physical change. (Include at least three different ways. Be creative!)

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Mixtures and Solutions

What is a mixture? Write the definition and list three examples.

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What is a solution? Write the definition and list three examples.

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Compare and contrast solutions and mixtures (how are they the same? How are they Different?)

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Video One

What three substances are used? ______

Was it a mixture or solution?______

How did you know? ______

Video Two

What two substances are used? ______

Was it a mixture or solution?______

How did you know? ______

How are mixtures, solutions, and physical changes the same? How are they different? You will need to write a short essay (2 – 3 paragraphs) to answer these questions.

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Group Project

Write the details and steps of each of your demonstration. Remember, the steps should be detailed enough that anyone could pick up your directions and do your demonstration.

Mixture Demonstration

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Solution Demonstration ______

Physical Change

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Rubric for Demonstrations

You will need to create posters that represent each of your demonstration. It is not a requirement that you actually perform your demonstration, but the posters should be detailed enough that other students will be able to understand how they represent each idea. If you would like to perform your demonstration your group will need to bring all of the supplies.