Fill the gaps on gravitation

Exercise and reference answers

Missing parts

1. Answer

   elliptical

   Choices

   1. elliptical
   2. circular
   3. spiral

2. Answer

   focus

   Choices

   1. focus
   2. centre
   3. corner

3. Answer

   times

   Choices

   1. times
   2. turns
   3. orbits

4. Answer

   atmosphere

   Choices

   1. atmosphere
   2. craters
   3. mountains

Complete the statement

Planets move in {0} orbits with the Sun at one {1}. Equal areas are swept in equal {2}. The moon has no {3} because its escape speed is low.

Instructions

Tap a word to drop it into the empty slot.

Explanation