What is density? What is buoyancy? Here are some videos and activities to help answer those questions.
First, let's head back in time to understand a very old problem and a very old solution.
Now that you've been introduced to Archimedes' Principle, try this activity:
Then, watch the video below to learn more about density.
For a full explanation, read more at Vision Learning.
Then try any of these virtual experiments:
Now that you know about buoyancy, can you explain why ice floats?
The video below will tell you why.
Here's a favorite experiment:
Now that you've learned all about density and buoyancy, try these quizzes to see what you remember!