
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
Long before Europeans came to America, Native Americans lived here. … read more
Alexandra “Alex” Scott believed in an old saying. “When life … read more
Turtles, snakes, and lizards are reptiles. Frogs, toads, and salamanders … read more
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