Matter and Change Lab Stations

These matter and change lab station activities will review and reinforce the topics and concepts taught in your unit on matter. Nothing gets kids more excited about science than doing science experiments. This set of 4 mini-labs includes experiments that are fun, engaging, and thought provoking. These experiments will reinforce the concepts you have taught in class as well as develop good critical thinking and problem solving skills.

The four lab stations cover density, proper lab techniques, mixtures, and chromatography. Students will learn how to separate the components of a mixture, and will learn that solids and liquids are not as easily defined as they thought. Students will identify that chemical changes have occurred when they observe a color change, the formation of a precipitate, and the release of gases.

The four lab stations can easily be completed in 2 class periods. Each station is a mini-lab that can be used as a stand-alone activity. You can do one station or do them all.

Purpose of the labs:

1. To determine the density of pennies minted before 1982 and after 1982.

2. To use paper chromatography as a method of separating the components of a mixture.

3. To determine if a strange substance is a solid or a liquid.

4. To observe several chemical changes.

Your download will contain 5 pages of editable handouts that are ready to be copied and passed out to your students. Included in the student handouts: Title, purpose, safety precautions, procedure, data tables, and analysis questions.

You will also receive a 7-page document for the teacher. This includes complete materials list, instructions for preparing solutions, suggestions for making the lab run smoothly, and answers to all questions.

You will receive both a Word document as well as a pdf of the worksheets.

Materials needed to complete these experiments:

Mini-Lab 1: Density of Pennies

Pennies minted prior to 1982

Pennies minted after 1982

Graduated cylinder

Balance

Calculator

Mini-Lab 2: What Color Is My Ink?

400 mL beaker

Glass stirring rod

Chromatography paper

Water soluble ink pens

Chromatography solvent (isopropyl alcohol)

Mini-Lab #3: Solid or Liquid?

Cornstarch

Water

Plastic spoon

Shallow bowl in which to mix the mixture

Mini-Lab #4: Is It Chemical or Physical?

Depression slides

Starch solution

Iodine

Silver nitrate

Salt solution

6M hydrochloric acid

zinc metal

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