K–8 STEM
Distance Learning

Products
Hybrid Learning
- - Back
  - EXPLORE Hybrid Learning!
Afterschool
Classroom
Awards
- - Back
  - Chemistry
  - Electricity
  - Energy
  - Inventions
  - Light
Online Books
Login / Register

Planets – Day/Night Cycle

What determines
the length of
a day on Earth?

1 of 4

The rotation of
the Earth on its axis.

The Earth rotates
once every
24 hours.

1 of 4

Was Earth’s day
always 24 hours?

2 of 4

NO!
When the Earth and
Moon system first formed,
the Moon was much closer
and the days were shorter.
Perhaps as short as 4 hours!

2 of 4

Are the number
of hours of daylight
always the same
throughout the year?

3 of 4

NO!
Daylight hours vary
throughout the year.
The day with
the most hours of
daylight occurs at
the beginning of summer.

3 of 4

Which planet
has the shortest day?

4 of 4

Jupiter!
It is the fastest spinning
planet in our Solar System.
It makes one complete rotation
every 10 hours.

4 of 4

About ScienceWiz
Blog
Terms of Use
Privacy Policy
Contact Us

© Penny Norman, PhD 1995 - 2024
All rights reserved. No part of this material may be reproduced, translated, transmitted, framed or stored in a retrieval system for public or private use without written permission.

Cart

No products in the cart.

Checkout - $0.00

0
1