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In this activity, learners discover the primary physical properties used to separate pure substances from mixtures.

In this activity, learners measure the amount of carbon dioxide in a carbonated drink.

In this chemistry demonstration, learners investigate the factors that increase the rate of dissolution for a solid.

This activity was designed for blind learners, but all types of learners can use it to investigate heterogeneous and homogeneous mixtures and solutions, identify the differences, and explore the conce

In this activity, learners sublimate dry ice and then taste the carbon dioxide gas.

This is an activity about acid-base reactions using eggs and vinegar. Learners place eggs inside a container of vinegar and leave to soak overnight.