Embedded Files
Introduction
Introduction
In this unit you will look at something that is completely invisible, is not completely understood by science and that dominates your life - Gravity!
We live on a rocky planet orbiting a very average star. Since the first humans looked up at the stars we have tried to understand and explain what is out in space. Our understanding now is much better than before but there remains much to be discovered.
Task 1: Know
Task 1: Know
Task 1: Use look, cover, write check and quizlet to learn the answers to the core questions and the keywords for this topic
Learn
Learn
Task 2: Gravity
Task 2: Gravity
Task 2c: Make notes that:
Describe what gravity is
Describe what gravity does
Explain what affects the size of the gravitational force between objects.
Task 3: Mass and weight
Task 3: Mass and weight
Task 3b: Make notes that:
Give the word equation for calculating weight. Make sure you include the units.
State the gravitational field strength on the Earth and moon.
Explain the difference between mass and weight.
Task 3c: Complete and self mark the exam question
Task 3d: Complete the progress quiz:
Task 4: Calculating weight on other planets
Task 4: Calculating weight on other planets
Task 4b: Make notes that:
Copy and complete this table:
Explain why an astronaut can jump higher on the moon than on the earth.
Task 4c: Complete and self mark the exam questions
Extension task: Have a go at these more difficult questions:
Answers:
Crisps: 125g 0.1.25kg 1.25N
Car: 1,500,000g 1500kg 15000N
Sugar: 10,000g 10kg 100N
Football: 400g 0.4kg 4N
Mobile: 250g 0.25kg 2.5N
Task 5: Why do we have different seasons?
Task 5: Why do we have different seasons?
Task 5c: Make notes that:
Explain why the Earth has day and night
Give the names of the 4 seasons on Earth
Explain why the Earth has seasons
Draw a diagram to show summer and winter on Earth (in terms of the position of the Earth and the Sun)
Task 5d: Complete the progress quiz
Task 6: Space and the universe
Task 6: Space and the universe
Task 6c: Make notes that:
Explain what a star is and name our closest star.
Describe why we see constellations in the sky.
Describe what a light year is and understand why they are used.
Explain what a galaxy is.
Task 6d: Explore the NASA information on the left
Produce a fact file for each planet in our solar system. Each file should contain 5 facts about that planet.
Task 6e: Complete the exam questions and then compare your answers to this mark scheme
Task 7: Summarise
Task 7: Summarise
Task 7a: Watch the videos
Task 7b: Read through the BBC Bitesize revision pages and complete the quiz
Task 7c: Complete the seneca learning units:
Task 8: Check
Task 8: Check
Complete the quiz to make sure you understand this unit.
Extend
Extend
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