The relative sizes of the Earth, Sun and Moon (non-statutory) | Exit Quiz | Oak National Academy

Starting with the largest, put these objects in order of size.

• Earth

• Moon

• A person

• Sun

Answer explanation

The Sun is the largest of these objects, then Earth is much smaller and the Moon is even smaller still.

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NGSS.MS-ESS1-1

NGSS.MS-ESS1-3

Match the object in space with its approximate diameter.

• Earth

• 1.39 million km

• The Sun

• 3,475 km

• The Moon

• 12,742 km

Answer explanation

The Sun has the largest diameter of 1.39 million km, then Earth with a diameter of 12,742 km, and then the Moon with the smallest diameter of 3,475 km.

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NGSS.MS-ESS1-1

NGSS.MS-ESS1-3

What do we mean when we talk about the relative size of objects in space?

• The distance they are from each other

• Their size measured in kilometres

• Their size in comparison with each other

Answer explanation

The relative size of objects means how their size compares to each other.

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NGSS.MS-ESS1-1

NGSS.MS-ESS1-3

Why is it useful to use a scale when drawing or modelling the sizes of objects in space?

• It is helpful to know how much each object weighs

• They are too big to draw or model in their actual size.

• It makes it easier to understand smaller numbers.

Answer explanation

Drawing or modelling objects to scale can help us to understand their size relative to each other, even if they are too big for us to see with our own eyes.

Tags

NGSS.MS-ESS1-3

We use secondary sources of information when we do ___ to find out more about something.

Answer explanation

We use secondary sources of information when we do research to find out more about something.

How many times could Earth fit into the Sun?

• Ten

• 10 thousand

• 1 million

• 10 million

Answer explanation

The Sun is so much larger than Earth that you could fit around 1 million of our planet inside the Sun.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-3