It's About Time
States of Matter: Solid, Liquid, and Gas
Solid, liquid, and gas: they all matter. Scholars create an animation of the various states of matter, experiment with the temperature of water as it changes states, and observe carbon dioxide as it changes states. The lesson also...
It's About Time
How Do Plate Tectonics and Ocean Currents Affect Global Climate?
What do plate tectonics and ocean currents have to do with global climate? This fourth installment in a six-part series focuses on how plate tectonics and ocean currents affect global climate, both now and in the past, outlines an...
Teach Engineering
Penny Perfect Properties (Solid-Liquid Interations)
I can get more water to stay on a penny than you can! Collaborative pairs determine the volume of liquids that can be contained on the surface of copper pennies and plastic coins. The pairs analyze their results using graphs and go on to...
Curated OER
Conductors and Insulators
In this conductors and insulators worksheet, students answer 11 questions about electrical resistance, conductance, gauge scale, and breakdown voltage.
Curated OER
"I'm Melting!"
Third and fourth graders engage with a activity designed to help them differentiate between melting and dissolving. After reading an informative paragraph about the two actions, they consider four scenarios, and choose whether they...
Curated OER
Comparing Solids, Liquids, and Gases
In this solids, liquids and gases learning exercise, high schoolers observe a teacher demonstration about gases and they experiment with liquids to show diffusion, shape and volume. They answer nine questions about the experiments...