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In this activity, learners discuss the different salinities of oceans, rivers and estuaries.

In this activity, learners create their own experiment and test which of 4 mixtures of household chemicals turn pennies green over 5 days.

In this water pollution activity, learners create pond water cultures and investigate the effects of adding chemicals or natural nutrients.

Did you know that the water we use today is the same water found on Earth millions of years ago? The Earth constantly uses and recycles water in a process called the water cycle.

This activity (on page 3 of the PDF under GPS: Roller Coaster Design Activity) is a full inquiry investigation into g-force and acceleration.