This three minute animated video uses campfires and s'mores to explain physical & chemical changes of matter. Physical changes mean matter changes size or shape; chemical and nuclear changes alter matter on an atomic level.
Watch this animated video that describes how a mixture contains two or more substances that retain all their original properties and can be physically separated. Try the quiz to test your understanding.
This four minute animated video is about the Periodic Table, the chart that scientists use to organize the elements. The chart shows each element’s name and symbol, the number of protons in its nucleus, and its characteristics and room temperature.
Drag the red hurricane over the map and drop it into a circle to find where sea surface temperature, moisture in the air, and wind conditions will make the storm stronger. Make sure your audio is turned on to hear the feedback. Click the small maps to see how conditions change.
This slide show has information and images of different types of clouds. Move the slide show with the orange arrows or just let it change pictures itself. When you're done, test yourself with the quiz.
This video tells the story of Luke Howard, "the man who classified the clouds and forever changed humanity’s understanding of these changeable, mysterious objects." Learn about different cloud types and how they were first classified.
There are many areas to explore here. In the top menu, you can see three topics: Uses of Water, States of Water and the Water Cycle. For each topic, you can Read, do the Practice activities and then take a quiz.