Videos

Exploring the Density of Hot and Cold Water

Exploring Sinking and Floating

Exploring whether the shape of clay influences sinking and floating

Marble Traveling a Spiral Track

This video explores the direction a marble travels after it completes a spiral track.

Creating Ice Cream in Science Class

This video shows how to use an explore-before-explain instructional sequence to have students make evidence-based claims about why they salt the roads before a winter storm. Students use data and evidence to learn about phases of matter, chemical versus physical changes, and temperature in this “cool” ice cream investigation.

Speed, Mass, and Force

Here is a simple video showing the relationship between speed, mass, and force that can be used in an explore-before-explain instructional sequence to develop students conceptual understanding of these variables.

Mixing Water

Here is a test of a formative assessment probe that demonstrates what happens when two different temperatures of equal volume are combined.

Thermal Energy Transfer

Which way does heat transfer? Check out this demonstration to help students model the direct thermal energy transfers.

How do different materials influence what we see?

Here is a quick video to show that different materials influence what we see

Change in temperature during a chemical reaction

Here is a quick video of temperature change during a chemical reaction.

Conservation of Mass

Here is a classic demonstration showing the conservation of mass during a chemical reaction.