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Chemical Reactions Color & Temperature Change – Middle School Science Unit

chemical reaction color and temperature change

This unit will help you teach your middle school science class about chemical reactions with color and temperature change!

With five days worth of activities, this unit will save you lots of time and keep your students engaged

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changing color

Easy-to-do chemical reaction experiments with dramatic results!

Students will observe a chemical reaction with a color change, temperature change (exothermic reaction), and production of gas in this great chemical reaction lab! They will also learn about the conservation of mass in the third lab.

chemical reaction exothermic

This resource contains a variety of activities.

Included are three labs, lesson plans, step-by-step directions with photos, lab pages, response pages, a reading passage, discussion questions, notes for the teacher, and answer keys for everything!

vocabulary chemical reaction

Really loved seeing the color change and the students were very engaged. We used baggies and they could feel the temperature change as well.

Shyan W.

color change in chemical reaction

Standards-aligned with NGSS 5-PS1-4, MS-PS1-2, and Utah SEEd 5.2.3.

You can be sure you’re covering the information that you need to with my standards-aligned units!

NGSS 5-PS1-4: Conduct an investigation to determine whether the mixing of two or more substances results in new substances.

NGSS MS-PS1-2: Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred. Examples of reactions could include burning sugar or steel wool, fat reacting with sodium hydroxide, and mixing zinc with hydrogen chloride. Assessment is limited to analysis of the following properties: density, melting point, boiling point, solubility, flammability, and odor.

Utah SEEd 5.2.3: Plan and carry out an investigation to determine whether the mixing of two or more substances results (cause and effect) in new substances

lab safety chemical reaction

For these labs, you will need bicarbonate of soda (baking soda) calcium chloride and phenol red solution. All three of these are easy to find and inexpensive.

acid or base

Other teachers LOVE this resource!

Check out more of the dozens of perfect reviews at Teachers Pay Teachers.

This is a wonderful unit for teaching chemical reactions! My students were very engaged. This material is clear and easy to use.

Chelsea J.

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This unit is available for download in two places:

  1. Here on
  2. Teaching Science with Lynda R. Williams on Teachers Pay Teachers

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Thank you, and I hope you enjoy using this unit in your classroom!

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