Kinds of Forces make things move Science Potpourri Resistant Forces Energy or Magnets?
A push or a pull
What is a force?
A coin falls to the ground.
What is gravity?
Squeeze a peanut butter and jelly sandwich, and the jelly oozes out.
What is compression?
The force that keeps a boat on top of the water.
What is buoyancy?
The kind of force when you twist an object in opposite directions.
What is torsion?
One team wins a tug-of-war game.
What is an unbalanced force?
A game where the puck changes direction.
What is hockey?
It is equal to the action force, but in the opposite direction.
What is a reaction force?
Another name for an indirect force.
What is a NON CONTACT force?
Objects always move in the same direction as…
The force that caused them to start moving.
What are Action Forces?
Forces that START an object at rest.
For every ACTION Force there is an equal opposite Force called a…
Reaction Force
The energy in our body comes from…
Food!
What force turns on your TV when you’re using a remote control?
Electric – NON CONTACT Force
Why are winter tires better than regular tires when it’s snowing?.
They have more grip so there’s more friction!
Two surfaces rub against each other.
What is friction?
There is less friction when ______ is smooth.
What is the surface?
Friction can make something speed up, slow down, change direction, or even _____.
What is stop?
When you make a bigger parachute, the skydiver will ______.
What is slow down?
_____ occurs when objects are moving through air or water.
What is drag?
When you kick a soccer ball, where is the energy stored?
In the soccer ball.
The 3 materials that are magnetic.
What are iron and nickel and cobalt?
When two magnet sides are different, they attract (pull to each other). When they are the SAME, they…
REPEL each other
It’s the ability to do work
What is ENERGY?
Windmills and Solar Panels are also natural sources of…
ENERGY