Day 5: Mass/Weight

FQ: What's the difference between mass and weight?

1. Watch:  Mass vs. weight

The Difference Between Mass and Weight

Optional:  So why does it seem astronauts are weightless? Video:  Why are astronauts "weightless"? 

Falling

If you drop a heavy ball and a lighter ball, which will hit the ground first? Find out by watching the video: 

(Want more explanation?  Try this Lesson...)

But what if the shapes are really different?  Watch Dr. Brian Cox:

2.  Mini-lab:  How does mass in kg affect weight in Newtons?  

Complete the Force Lab and share your data on THIS SPREADSHEET. 

3. Practice

Spend a few minutes working with this Mass & Weight Concept Builder

Then, click "take the quiz" for practice questions and problems. 

4.  Project:  Answer question #6 for your sport.