Introduction

The Internet Resources

Gravity

• Exploring Gravity - Comprehensive informational site. Includes history and explanations categorized by knowledge level.

• Gravity Probe B: testing einstein's universe - Up to date gravitational research!

• What does gravity smell like? - Good question!

• Interactive Experiments in Gravity

• Sir Isaac Newton: The Universal Law of Gravitation - Text heavy, information rich site. Contains many diagrams and some links to calculators and other useful things.

• Twinkie Gravitational Response Test - How does gravity effect Twinkies? View the lab report here.

Momentum

• The Physics Classroom: Momentum - In depth explanation with sample problems. (answers provided) Draws students attention to importance of momentum in sports and and links to real-life applications section.

• Virtual Laboratory: Momentum - Compare varying values for momentum and velocity. And shoot cannonballs!!

• Mechanics-Momentum - Includes definition, sample problems, and a game with Glenn.

Friction

• Thinking Fountain - Discusses using friction and bearings to make sculptures and toys. Includes directoins for an experiment.

• Definition of Friction from Fear of Physics.com - student friendly definition and link to interactive example.

• An Experiment with Friction in a Traffic Jam - Try to stop vehicles before they crash!

• Friction - What a drag - Instructions for a lab on friction.

• FRICTION - Very useful definition site that discusses a variety of friction issues. Includes links to more specific definitions and excellent diagrams.

• Sambal's Science Web -- Friction - clear and concise explanation

• Sliding Friction - Lab instructions with link to a virtual laboratory

• Friction on the Hands and Feet - Links to friction on space shuttles, ice skates, and snakes.

Lift and Drag

• How do dimples in golf balls affect their flight? - Interesting real life application of physics.

• Lift and Drag in Boat Rowing - Advanced discussion, lots of diagrams

• Lift or Drag? Let's Get Skeptical About Freestyle Propulsion - The science behind freestyle swimming. That's right, sports are science!

• Lift to Drag Ratio

• Hot Science - Lift and Drag - Use what you know to make a correct choice

• Lift and Drag: Two of the four forces on an airplane

• Airfoils - Explores different designs.

• How Do Lift and Drag Work at Supersonic Speeds?

Experts and other good resources

• Ask the Experts at Scientific American.com - Lots of links to already asked questions, plus contact info to send in your own.

• How Things Work - Question-answer site hosted by a professor of physics from UVA. Read answers to other people's questions or ask your own.

• Bill Nye the Science Guy - Really cool general site