Grade 4 - forces and motion - speed and acceleration

forces and motion - speed and acceleration

1. Forces and Motion Forces and Energy

2. Explore how things move, learn what speed means, and compare the motion of different animals and objects Lesson Objective

3. Setup: Mark two points in t h e c l a ss r oo m / p l a y g r o u n d (start and finish line). Activity: Students move between the two points in different “modes”: S l o w w a l k 🐢 N o r m a l w a l k 🚶 F a s t w a l k / j o g 🏃 H o pp i n g 🦘 C r a w l i n g 🐾 Speed walk Challenge

4. D i s c u ss i o n : W h i c h w a s f a s t e s t ? H o w d o e s t h e t y p e o f m o t i o n c h a n g e t h e speed? Speed walk Challenge

5. SPEED Is how fast an object changes over time Motion is a change in an object’s position

6. W A R M - U P W a l k i n g s t r a i g h t a t t h e s a m e s p ee d → v e l o c i t y . S t a r t w a l k i n g f a s t e r , s l o w e r , o r t u r n l e f t / r i g h t → acceleration.

7. VELOCITY ACCELERATION is the speed and direction of an object. The same unit of speed Example when a moving object speeds up, slows down or changes direction. Example How fast an object an object position changes over time, D i s t a n c e / T i m e km/h m/s Example SPEED

8. BOOK P.11

9. FORCES CHANGE MOTION A force is any push or pull A force can cause an object to start moving or change direction. It cause an object to speed up, slow down or stop.

10. F o r c e s c h a n g e m o t i o n T h e a cc e l e r a t i o n o f a n o b j e c t d e p e n d s o n t h e a m o u n t o f f o r c e t h a t a c t s u p o n t h e o b j e c t . A g r e a t e r f o r c e g i v e s a n o b j e c t a g r e a t e r a cc e l e r a t i o n .

11. F o r c es C h a n g e M o t i o n Acceleration depends on the weight of the object. If you apply the same force to objects with different w e ig h t s , t h e g r e a t e r w e i g h t accelerates more slowly.

12. BOOK P.12

13. Unit 1: Forces and Energy. Lesson 1: Forces and Motion. https://bit.ly/47LgLbM https://wayground.com/admin/quiz/68c876952fb7a8eab8231e15