In the photo, kindergarten students are using a balloon rocket to learn about forces. How to make a balloon rocket: 1. In the photo shown, a string is stretched between two chairs. Decide where … [Read more...]
Film Canister Rockets
https://youtu.be/77nSpa0gnwQ https://youtu.be/mWub8U9C9r0 How to Make a Film Canister Rocket WEAR SAFETY GLASSES. Why the film canister flies upward. … [Read more...]
Newton’s First Law: Inertia
Inertia: Newton's First Law of Motion Newton's First Law of Motion: The Law of Inertia states: If the forces acting on an object are balanced, then the object will not accelerate (increase in … [Read more...]
Newton Studies the Force of Gravity
What is gravity? According to Newton, gravity is the force of attraction between two objects having mass. This means that the two balls in the diagram have a gravitational force of attraction … [Read more...]
Why Boats Float
Buoyancy is the ability of an object to float in a fluid (liquid or gas) An objects floats when in water if the buoyancy force of the water pushing the object up is greater than the force of gravity … [Read more...]
What is Torque?
Torque Objects that rotate experience torque. Objects that rotate turn around some fixed point. When measuring torque, the point of rotation is called the pivot point. Torque is the product … [Read more...]
Rotation: Paper Helicopter
Things that rotate turn around a center point. Rotate means to turn around a fixed center point or axis; Two dimensional objects, such as the CD shown, rotate around a stationary center point; … [Read more...]
More About Surface Tension
How many pennies can you add to a glass filled to overflowing with water? What is Surface Tension? The photo shows a penny being added to a glass filled to overflowing with water. Notice how … [Read more...]
What is Surface Tension?
Surface Tension is Due to Cohesive Forces A cohesive force is the attractive forces between similar particles. Liquid molecules have a tendency not to separate because of cohesive forces between. … [Read more...]
All About Flying Squirrels
Do flying squirrels really fly? No, flying squirrels volplane! http://www.youtube.com/embed/-D-rsdW4w3s Grammar: Use the word volplane instead of glide. I recommend that you sign-up for … [Read more...]