Our Solar System - Sun and Planets

Question 1

Could planets be as close to the Sun as pictures show? Give reasons for your answer

Answer 1

no. all the water on earth would have evaporated and all living things would burn up.

Question 2

Which planet is closest to the sun?

Answer 2

Mercury

Question 3

Is Venus or Earth closer to the Sun?

Answer 3

Venus

Question 4

Name the names of the planets in order, beginning from the one that is closest to the sun.

Answer 4

mercury
venus
earth
mars
jupiter
saturn
uranus
neptune

Question 5

Which planet do you think is the coldest and why?

Answer 5

neptune
furthest away from the sun

Question 6

why do the planets all keep on moving in orbits around the sun?

Answer 6

the force of gravity between the Sun and each planet keeps them moving in their orbits.

The sun is so big and heavy that it can exert a force of gravity that pulls even the furthest planet, neptune, into its orbit.

Question 7

How long does the Earth need to go once around the sun?

Answer 7

One year to orbit the sun