Sometimes in life we have things that forces us into doing things, moving, jumping, crying, but then we also move with a certain motion. In nature a force makes something move accurately, but then there is something that can change the motion in with the object is move - pushed of pulled.
Newton's first law of motion
Types of contact forces
- normal force
- applied force
- frictional force
- tension force
- spring force
- resisting force
Image Source
Forces and motion Video
Science activity
1. Wooden blocks
You will need the following:
- Domino blocks
- Cars
Instructions:
- Use the domino blocks to build carramps with different slopes.
- Put the cars on and see if they automatically go (pulled down) or if they need a push to move.
Marshmallow Shooters
You will need the following:
- Plastic cups
- Balloons
- Mini marshmallows
Instructions.
- Cut of the bottom of your plastic cups.
- Tie a knot at the opening of the balloon. Don't inflate the balloon. Now cut of the round end of the balloon.
- Pull the balloon over the bottom of the plastic cup.
- Turn the cup over and drop a mini-marshmallow in the whole created by the knot of the balloon.
- Aim your balloon, pull the knot and then shoot.
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