Showing results 1 to 5 of 5
In this activity, learners get hands-on experience with ratios and scaling while making their own jewelry out of recycled plastic containers.
Heat makes some materials expand, and it makes others shrink.
In this activity (on page 2 of the PDF), learners (with adult help and supervision) investigate how heat affects polystyrene plastic.
In this activity, learners discover that some plastics will shrink when you get them hot. Learners bake polystyrene in a regular oven and discover what happens.