Push or Pull
Push
What is a force?
A force is a push or pull. A force can make an object start moving or stop moving.
True or False: Forces only affect objects that are already in motion or moving.
False
When you press harder on a bike pedal, the bike goes _____.
Faster
What is an example of a force in nature?
volcano, avalanche, earthquake, tsunami, etc
What is a push
A push is a force that moves an object away from something.
Lighting in a thunderstorm is an example of what force?
Static Electricity
True or False: Friction is the force that keeps us from floating around in the air.
False. Gravity
Friction usually makes objects go ________.
Slower
What type of natural force happens when the ocean floor shifts and causes water to move and create large waves?
Tsunami
What is a pull?
A pull is a force that brings an object closer.
What is a non-contact force?
A force that is created without objects touching.
True
Forces can make things go ______ or ______.
What type of natural force happens when pressure builds deep inside the Earth and magma is pushed towards the surface?
Volcano
Opening a drawer is an example of this force.
Pull
What force is applied using parts of the body like your arms?
Muscular force
True or False: When surfaces are smoother, there is more friction.
False. Rougher.
A car stops when you push the brake. Your bike slows down when you press the brake. The force that slows them down is called _______.
Friction
What type of natural force happens when there is a sudden release of energy in the Earth's crust that causes the ground to vibrate or shake?
Earthquake
Name one push and pull that you do in real life.
Answers will vary
- push a swing
-pull a door open
This non-contact force can pull or push certain metals.
Magentic force
True or False: Matching poles on a magnet will repel (push away from each other). What type of force is this?
True. Magnetic Force
What type of force is needed to change the shape of a rubber band? Bonus 100 points: Is the force a contact or a non-contact force
Muscular force.
Contact force.
How can an earthquake harm the environment that people and animals live in?
answers will vary
- destroy animal habitats
-bend or crack roads and cause buildings and bridges to fall which destroys communities and peoples homes
-break pipes of natural gas, causing pipes to explode, causing fires
-etc