Friction and Big Red Truck

Name_______________________________________________Date________________________________Period_____

Gravity, Friction, & Forces Webquest
Use the websites listed below to find the answers!
Save this document to your U Drive. Type your answers in & print the document so you can put it in your notebook
. Type your name at the top of the paper so you know which is yours when it comes out of the printer!
Go to http://science.howstuffworks.com/friction-info.htm
1.

Why is friction between moving parts of machines undesirable?

2.

What do we do to reduce that friction?

Go to http://www.fitnessforlife.org/MiddleSchool/student/3/8/
3. Why do swimmers wear caps?
Go to the bobsledding activity.
4.

Do the entire bobsledding activity. What track material had the least amount of friction? Which had the most?

Go to the ‘What’s Next?’ button on the bottom right of the screen. Click on the ‘Forces In Action’ button, at the bottom.
5.

Do the activity and fill in the table online. Use your table on the website to fill in the table below.
Slope 1
No Parachute
Small Parachute
Big Parachute

6.

No Weight

Small Weight

Big Weight

Take the quiz. What did you score the first time through? BE HONEST!

Go to http://www.fearofphysics.com/Friction/frintro.html Click on the experiment link at the bottom of the page.
Collect data about stopping the Big Red Truck moving at 20 meters per second on a dry road, wet road, snowy road, and icy road.
7.
Road Conditions
Dry
Wet
Snowy
Icy

8.

Stopping Distance of Big Red Truck going 20 mps

Make a statement about friction and the stopping distances of the Big Red Truck.