What is the solar system?
What does the size of a planet’s gravity depend on?
Why is the moons gravity weaker than the Earth's gravity?
What object in the solar system has the strongest gravity?
How does gravity change if you travel further away from the Earth?
What causes planets to orbit the sun?
Why does the moon move across the night sky?
What is a constellation?
Why do stars move across the night sky?
Why are different constellations visible at different points in the year
Why do we see different stars in summer and winter?
Why does the sun seem brighter and larger than other stars?
What is a light year?
What is a galaxy?
What is the universe?
How many galaxies are there in the universe?
What are the two hemispheres of the Earth?
How often does the hemisphere tilted towards the sun change?
What season is it when a hemisphere is tilted away from the sun?
What season is it when a hemisphere is tilted towards the sun?
How many variables are usually changed in an investigation?
Why do scientists control some variables during an investigation?
We live on the surface of a planet we call the Earth. A Year 6 student draws the following diagram to show people on the surface of the Earth.
What is wrong about the shape of the Earth in this diagram?
The following diagrams show two ways the Earth is moving around in space.
Complete the following sentences:
The Earth takes one
Describe the motion of the moon and how long it takes to complete.
Why do we have night and day?
Complete the following paragraph by adding the missing words from the box below.
The sun is a object at the centre of the solar system. The sun light in all directions. The Earth is an object – this means light cannot travel through it. Light radiated from the sun half the Earth and leaves the other half in .
Explain why the motion of the Earth causes the sun to appear to move across the sky during the day.
An astronaut is floating above the Earth, in outer space.
What forces will the astronaut experience?
Explain why the Earth follows a curved path around the sun.
Write your answer in full sentences using bullet points. Write one bullet point sentence for each of the questions below:
- What speed is the Earth moving at?
- If no forces were acting on Earth, would it follow a straight or curved path?
- What object is exerting a force on the Earth
- Where is the force exerted on the Earth acting towards?
- How does the Earth’s resultant force compare to the Earth’s direction?
- How does the force exerted on the Earth change its motion?
This question is about how energy and information spread out through space.
Which of the following describes an important source of light in the solar system?
Explain why gravitational attraction is a “non contact” force.
Explain why the people in the diagram will both experience “down” in opposite directions.
What is the sun’s main energy store?
Explain why the southern hemisphere is hotter in summer then in winter.