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Beyond Earth

Track quiz

Before the quiz, a quick cheat-sheet of everything this track covered.

Beyond Earth — seven things to carry with you
IdeaWhat to remember
Star, planet, MoonA star makes its own light. A planet or the Moon reflects the Sun's.
The MoonIts lit half never changes. Only how much we see changes.
Waxing and waningFor about 15 days the bright part grows (waxing). Then it shrinks (waning).
The Sun is a starThe same kind of object as every star, just much closer.
The solar systemEight planets, each at its own distance. Not evenly spaced.
Finding your wayThe Pole Star sits almost still. Facing it, you face north.
Looking carefullyEyes see a lot. A telescope gathers light and enlarges small things.

A dot in the sky twinkles and makes its own light. What is it?

  • A planet
  • A star
  • The Moon

The Moon grows from a sliver to a full disc. What is changing?

  • The Moon itself is growing
  • How much of its lit half we can see
  • How much light the Sun makes

The Moon is a quarter of the way round from New Moon. What do we see?

  • A full disc
  • Half the disc bright
  • Nothing at all

Each night the Moon's bright part grows a little. What is this called?

  • Waxing
  • Waning
  • Amavasya

The Sun looks like a big disc. Other stars look like tiny dots. Why?

  • The Sun is not a star
  • The Sun is much closer
  • Other stars are smaller than planets

Which planet is closest to the Sun?

  • Mercury
  • Earth
  • Neptune

You face the Pole Star, then turn a quarter-turn clockwise. Which way do you face?

  • North
  • East
  • West

Which of these needs a telescope?

  • The Moon's phases
  • The rings of Saturn
  • The Pole Star

Turn to your NCERT chapter Beyond Earth. Each idea there is one you tried here.

Jump to lesson

This track

  1. 0 Start here
  2. 1 A star, a planet, or the Moon?
  3. 2 The Moon does not change shape
  4. 3 Waxing and waning
  5. 4 The Sun is a star
  6. 5 Eight planets, eight real distances
  7. 6 The sky can tell you north
  8. 7 What a telescope really adds
  9. 8 The big picture
  10. 9 Track quiz

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