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This video is designed to help students explore the concepts of what a force is, inertia, friction, and balanced vs. unbalanced forces. Several hands-on activities and experiments are demonstrated with follow-up questions. The central hands-on activity involves building a vehicle that moves by using force (of air). Grade Level(s): 5 Science.

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BBC - Schools Science Clips - Forces in action What next

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This screen gives you some ideas of where to go next once you have completed the Forces in action activity on the Science Clips website.

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BBC - Schools Science Clips - Forces and movement What next

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This screen gives you some ideas of where to go next once you have completed the Forces and movement activity on the Science Clips website.

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There is also a text version of this lab.

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There is also a text version of this lab. These Labs require the most recent version of the Flash plug-in. You can download Flash from the Macromedia web site for free. If you are having trouble with Flash, please take a look at our Help page.

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Force and Motion: StudyJams! Science | Scholastic.com

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Whenever there is a change in motion, force is the responsible party. This activity will teach students more about how force and motion are related.

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Learn about the different types of forces, including a push, pull and twist, with Seymour Science in this primary Bitesize guide.

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You can't see them, but forces make the world go round. Friction happens when two things rub against each other. Friction makes things slow down. It can also warm them up. Try rubbing your hands together. Are your hands warmer? Gravity is a natural force. It pulls everything down towards the earth.

When you push a friend on a swing, you are using another force. Pushing moves something in the direction of the push. The harder the push, the further the item goes. Pulling something has a similar action. The harder you pull, the faster something moves along. Pressure is another force. Pressure is force applied by weight. For example, if you press down on a grape, the pressure squishes it. Walk in snow and the pressure of your feet leaves footprints.

Fun Facts about Forces for Kids

Any kind of force is really just a push or a pull.

Magnetism is a type of force. A magnet might pull an object toward it or push it away.

Inertia is not a force. Anything with mass - or anything that has weight - automatically slows down because of that weight. This is inertia. The larger something is, the more inertia it has and the more force you need to make it move. An elephant has more inertia than a caterpillar, for instance.

Sir Isaac Newton was one of the first scientists to study gravity and force. Scientists still use his three laws today. The first one says that a body in motion is likely to stay in motion, while a body at rest will stay at rest. A kid playing soccer will probably keep playing. A kid watching movies will probably keep watching movies. The second law says that if a force acts upon a body, it will change the body's speed or direction. If you kick a soccer ball, it's going to change direction and speed. Finally, the third law says that for every force and action, there is an equal reaction. If you give that soccer ball a soft kick, it won't go very far or fast. A big kick sends the soccer ball flying across the field.

Springs and elastic are also types of force. Push against them and they resist. They spring back with the same force you gave them.

Force Vocabulary

Learn More All About Force: Push and Pull

Watch this video about push and pull:

A video excerpt of the forces, push and pull.

Forces Q&A

Question: What is velocity?

Answer: Velocity is the speed of an object as it moves in one direction. If it changes directions, its velocity changes too.

More information about Push and Pull

Enjoyed the Easy Science for Kids Website all about Force info? Take the FREE & fun all about Force quiz and download FREE Force worksheet for kids. For lengthy info click here.

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Facts About Force: Push and Pull - Easy Science For Kids

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You can't see them, but forces make the world go round. Friction happens when two things rub against each other. Friction makes things slow down. It can also warm them up. Try rubbing your hands together. Are your hands warmer? Gravity is a natural force. It pulls everything down towards the earth.