Search Results
Showing results 1 to 4 of 4
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-253.png?itok=HUS1L8US)
Charge Challenge
Source Institutions
In this activity, learners explore how objects can have positive, negative, or neutral charges, which attract, repel and move between objects.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-693.jpg?itok=ks0mp79z)
Scaling an Atom
Source Institutions
In this activity, learners make a scale model of an atom to see how big or how small an atom is compared to its nucleus. Learners will realize that most of matter is just empty space!
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-841.png?itok=w0wZGZ6Y)
Atoms and Matter (K-2)
Source Institutions
In this activity, learners explore atoms as the smallest building blocks of matter. With adult help, learners start by dividing play dough in half, over and over again.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-043.gif?itok=t-r46NGh)
Copper Caper
Source Institutions
In this activity, learners conduct an oxidation experiment that turns old pennies bright and shiny. Learners soak 20 dull, dirty pennies in a bowl of salt and vinegar for five minutes.