Which cup of kernels will produce the most popcorn? Encourage students to make a hypothesis, then watch the video to see the answer.

Watch this video to learn about light and heat, two forms of energy. Energy makes things move or change.

Use this video to demonstrate how writing an equation within a table makes it easy to find a pattern that connects the variables.

In this video, Marta uses data collected in a T-chart to make a picture graph displaying her friends' favorite vegetables.

This animation shows several stages in a butterfly's life cycle. Pause the video between each stage to compare stages and make predictions.

This video explains how students can set two expressions equal to each other, then find the value of the variable that makes the expressions equal.