Earth is covered with water. Most of the water is in oceans. Ocean water is salty. Some water is in lakes and rivers. Most lakes and rivers are not salty. They have fresh water.
Photo Credit: Studio Photogram/Alamy Stock Photo
In the Know
Native Truths at the Field Museum of Natural History
Do you like to tell people about yourself? What do … read more
In the Know
Dr. Andrea Ghez and the Giant Black Hole
Dr. Andrea Ghez is an astronomer. She studies things in space. She found a … read more
In the Know
Where on Earth Is Australia?
Australia is between the Indian Ocean and the Pacific Ocean. You can find … read more