Search Results

Learners explore water's property of cohesion through two investigations.

Learners demonstrate how water can distort, refract and magnify light.

In this activity, learners explore how various energy sources can be used to cause a turbine to rotate.

In this engineering design challenge, learners build an air-powered spinning machine.

In this activity, learners conduct an experiment to explore how water flows up from a tree's roots to its leafy crown.

In this activity (on page 2 of PDF), learners create a low-tech refrigerator that requires no electricity to keep food from spoiling.

Learners will understand the relationship between climate change and sea-level rise.

In this activity about the solar system, learners use various light sources to examine ice with different components to understand how NASA studies planets and moons from space.

In this activity, learners explore the devices used over time to measure changes in temperature.

In this activity, learners will explore the water cycle by creating a small atmosphere.

In this engineering design challenge, learners make a bird and then control its flight with attached strings.

In this activity on page 5 of the PDF (Plants—The Green Machines), learners use chromatography to separate and identify pigments within various leaves.

In this activity, learners use rice grains to model the composition of the atmosphere of the Earth today and in 1880. Learners assemble the model while measuring percentages.

This activity shows you how to make amazing crystal spikes using Epsom salt and the sun.

In this activity on page 2 of the PDF, learners test different materials to find out which is the best insulator.

In this activity, learners build cars using syringes and water-powered hydraulics. Learners construct the car frame out of cardboard and set up a hydraulic system to raise and lower the car.