What do elastics and springs store
Energy
How does a spring do work
A spring gets smaller when you compress it, when you release it it goes back to its normal size
How does an elastic do work?
Elastic gets longer when you stretch it and then goes back to its normal size when you let it go
What are everyday things that use springs
Ball point pen
Clothes pegs
Staplers
Watches
What uses elastic for energy
Catapult
Toys
Launching planes off aircraft carriers
How are the qualities of elastics and springs important for
Shock absorbers for cars
When the car goes over a bump the spring is compressed and absorbs the shock
How are the qualities of elastics and springs important for a Jack in the box
When we push “Jack” down and close the box energy is stored in the coiled springs ready to jump up when the lid is opened
How are the qualities of elastics and springs important for a slingshot
The slingshot is put into a position to shoot the stone. When you pull the slingshot back, there is energy stored in the slingshot. The energy shoots the rock out when you let the slingshot go
How are the qualities of elastics and springs important for an aircraft carrier plan slingshot
The catapult machine is put into position. There is stored energy in the catapult, and when the catapult is released the energy launches the plane into the air
How are the qualities of elastics and springs important for a pen
The spring in the pen pushes the nib into place
What type of energy do elastics and springs store?
Movement energy
Complete:
The more …… into the elastic bands or …… , the more…… or …… we get
Energy
Springs
Energy
Movement
