University of Colorado
Looking Inside Planets
All of the gas giant's atmospheres consist of hydrogen and helium, the same gases that make up all stars. The third in a series of 22, the activity challenges pupils to make scale models of the interiors of planets in order to...
K5 Learning
The Sun and the Stars
How are the stars similar to the sun in our galaxy? Learn all about the solar system with a reading excerpt about the sun and the stars. Kids read an informational passage before they answer questions about reading comprehension,...
Khan Academy
Khan Academy: Ideal Gases in Medicine
This passage tests your knowledge on the kinetic molecular theory of gases using the five-question quiz.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Balloons & Buoyancy
Experiment with a helium balloon, a hot air balloon, or a rigid sphere filled with different gases. Discover what makes some balloons float and others sink.