Grade+6+Group+9+2016

It's when an object spins around a center/axis.
 * 1) 1. What is the meaning of rotate?

2. What is the meaning of revolve? It's when an object moves around a center axis.

3. What is the equinox? The time when the sun crosses the celestial equator, in which it appears to be both day and night.

4. What is the solstice? Their are two solstices the winter and summer solstice. It's when the sun reaches the lowest and highest point, showing shorter or longer days.

5. What is the North Pole? The North Pole is an area at the top of Earth, that because it's on the very top of our planet it has the axis running through it.

6. What is the South Pole? Unlike the North Pole, the South Pole is at the very bottom of the earth. And it also has the axis running through/out of it.

7.What is an Earth day? Naturally you would say an Earth day is 24hrs, but what if I told you you can look at an Earth day in two different ways. First is a sideareal day which is 23 hours and 56 minutes, the reason it is like this is because 23 hours and 56 minutes is how long it takes for Earth to rotate and land exactly where it started. But since the Earth is orbiting the sun and rotating, it takes an extra four minutes for the Earth to point directly at the same place on the sun as it had started.

8.What is an Earth year? An Earth year is around 365 days.

9.What is an axis? It's an imaginary line in which an object rotates.