Why is the ocean salty?

What kind of water is in lakes and rivers?

• salt water

• freshwater

Why do you think the ocean is salty but lakes and rivers aren't? Write what you think.

How much salt is in rainwater?

• 50 %

• 0 %

• 75 %

• 100%

Why do lakes and rivers have a little salt in them?

• it rains salt and adds it to the rivers and lakes

• because rain water washes over rocks and minerals and salt is added and then carried to the lakes and rivers

• it is like the ocean

Why do we think that the ocean is so much saltier than other bodies of water?