This learning module discusses the definition of matter and what mass and volume measure. Module includes pictures, videos, and review questions.

This digital textbook covers core physical science concepts and includes interactive features, real world examples, and videos.

[Free Registration/Login may be required to access all resource tools.] Discusses refraction of light in matter and how light changes its speed and angle of refraction according to the type of medium it is travelling through.

Through an instructional video, games, and activities, students explore three types of change matter makes: physical change, in which only the shape of the matter changes; physical phase change in which matter changes to a different form...

In this experiment, three reactions are performed in a sealed Ziploc bag so that they can be observed. Students identify whether physical or chemical change has taken place.

Kids learn about the universe in the science of astronomy including expansion, size, dark matter and energy, age, and fun facts.