Predicting Motion

You can use your knowledge of motion, the measurement of motion and forces to predict future motion.

On a seesaw, you can predict people will move up and down. On a swing, you move back and forth.

Use your knowledge of motion, gravity and friction to predict the motion of a marble when it is dropped into a bowl.

How are airlines able to accurately predict the time it takes to travel from one country to another?

You can use information about distance, time and speed to predict the time you will arrive at school – whether you arrive by car, bus, walk or ride a bicycle.

AB Activity 11.16 Think Deeply

Use your knowledge of motion and forces to predict the motion of a skydiver from the surface of the Earth, into the air and back down to Earth.

What are some other examples where we are able to predict motion?

Science Words

Use the words to complete the sentences.

force friction gravitational force position distance direction unbalanced motion speed time contact forces non-contact forces magnetic force balanced electrical forces

1. is the location of an object.

2. is the measurable space between two objects. 3. The course or line from one abject to another describes

4. An object in the process of changing position is in .

5. is how long it takes for something to move from one position to another. 6. How fast or slow an object moves is its .

7. A is a push or a pull. 8. Forces that occur when objects are touching are called

9. Forces that can act at a distance are called .

10. occurs when the surfaces of objects rub together. 11. A magnet is an object with .

12.

13. are created when there are unbalanced electrical charges inside an object.

pulls all objects towards the center of the Earth.