Evidence of Chemical Reactions Lab Activity 4 Easy and Fun Experiments

Give your students a hands-on experience with several signs of a chemical change! These 4 labs with EASY SUPERMARKET SUPPLIES can be performed by students or used as quick demos. Supports NGSS MS-PS1-2!

Through these simple labs, students will witness:

• Temperature changes (both exothermic and endothermic)
• Gas formation
• Color change
• Formation of a precipitate

During this activity, students will:

• READ a 1-page text with background information about signs that a chemical reaction has taken place.
• ANSWER check for understanding questions based on the text, including a CER.
• FOLLOW CLEAR DIRECTIONS to perform 4 simple labs.
• MAKE OBSERVATIONS about the signs of a chemical reaction occurring at each station.
• IDENTIFY the reactants and products of each reaction.

Supply List: hydrogen peroxide, balloon, flask, beakers, plastic cups, dry yeast, lemon juice, bleach, baking soda, stirring rods, Epsom salt, sodium bicarbonate (washing soda)

Teacher Notes:

• Please note that this resource is not editable.
• Answer key included.
• The document includes one reaction per page, so if you want to eliminate one of the reactions, you can.

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