Baggie Science

If you have taught the first instructional activity in this mini unit, learners already know that cabbage juice and vinegar cause chemical changes in some materials. Now, they get a chance to use them to compare the liquids' reactions to...

Alone, or as part of the intended unit on chemical reactions, this activity allows learners to experience an exothermic reaction. Here, learners add calcium chloride to a baking soda solution and watch the temperature rise! They will...

Though the publisher designated this unit for use with third through eighth grades, this particular instructional activity would be best used with middle schoolers due to the specific measurement skills required. Basically, they set up...

Investigate the Law of Conservation of Mass through a lab exploration. Individuals combine materials to initiate chemical reactions. They monitor for signs of reactions and measure the masses before and after the reactions for...

Give your charges a charge with this clip on chemical reactions! Bill initiates some pretty flashy chemical reactions that you most likely won't be doing in your classroom. When you are teaching the difference between physical and...

An acid/base indicator that's made of blended red cabbage and water is used to demonstrate the various reactions that an acid/base solution goes through when some carbon dioxide gas is added. The best way to add the carbon dioxide is to...

Thinking back to the last time you taught a lesson on chemical changes ... was there no reaction? Check out an explosive video to put some spark back in your instruction! The narrator of the video guides you through the...

Pupils explore observation while making connections between observation skills and careers (like how farmers observe the weather). They view a variety of nature photographs on the computer and practice their observation skills by...

Engaging hands-on science lessons for grades 2-6 on chemical and physical changes.

A simple and sweet activity shows students how important smell is in interpreting flavor. Pairs of pupils hold their noses and eat Life Savers®, only to find that they can't identify the flavors until they let go. You will appreciate...