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Slide 1: Diapositive
ScienceMiddelbare schoolhavo, vwoLeerjaar 1

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Slide 1 - Diapositive

GET READY
  • Textbook
  • Notebook 
  • Macbook
  • Pen & highlight marker

Slide 2 - Diapositive

TOPIC 3
MOVEMENT IN THE WORLD
p. 90-123

Slide 3 - Diapositive

§3.1 GRAVITY
LEARNING GOALS:

  • I can explain what gravity is.
  • I can explain why gravity is essential for life on Earth.
  • I can explain the effect of gravity in the universe. 


p. 92-97

Slide 4 - Diapositive

§3.1 GRAVITY
KEY WORDS:
  • gravity
  • gravitational force
  • atmosphere
  • orbit
  • tides
  • black hole 



p. 92-97

Slide 5 - Diapositive

What is gravity?
Gravity - a force between two objects due to their mass and size. The objects are pulled towards each other.




What are some examples you can think of?

p. 92-97
  • Gravity is invisible.
  • You can only see its effects.

Slide 6 - Diapositive

Earth's gravity
Earth is very large, it has a large gravitational force, 
It interacts with other objects and pulls them towards earth.
This is essential for life on earth:




p. 92-97
  • We don’t float away. 
  • The air we breathe stays in our atmosphere.

Slide 7 - Diapositive

Moon's gravity
Though the moon’s gravitational force is only ⅙ as large as earth's it still affects life on earth




p. 92-97
  • The moon’s gravity pulls on the water in the ocean 
  • This pull changes as the earth rotates and makes the tides

Slide 8 - Diapositive

Gravity in the universe.
Everything that has mass has a gravitational force.




p. 92-97
  • The sun’s gravitational force holds all the planets in the solar system in orbit
  • Gravity creates, stars, planets and black holes too!

Slide 9 - Diapositive

SUMMARY OF THE DAY:
  • WHAT DID YOU LEARN TODAY?
  • WRITE THIS DOWN IN 2-3 SENTENCES MAXIMUM.
p. 92-93

Slide 10 - Diapositive

HOMEWORK FOR NEXT LESSON:
  • Read & highlight §3.1
  • Study WRTS list §3.1
  • Complete the exercises on pages 94-97
  • Read & Highlight §3.2
p. 94-97

Slide 11 - Diapositive