
If you throw a ball up in the air, it comes back down. Gravity brings the ball down. Gravity is a force that pulls things to Earth. Gravity affects all objects.
Photo Credit: Jose Luis Pelaez Inc/Blend Images
The Olympics take place this summer. They are in Paris, … read more
April is National Poetry Month. Some United States Presidents love … read more
Summer is here! Everyone will spend a lot more time … read more
© 2026 McGraw-Hill Education. All Rights Reserved.