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Water, whether fresh or salty, serves as one of the best electrical conductors on the planet. Does salt effect its conductivity?

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

This is an activity (located on page 3 of the PDF under Water Clean-up Activity) about the use of reduction agents to decontaminate ground water.

In this activity, learners practice the steps involved in a scientific investigation while learning why ice formations on land (not those on water) will cause a rise in sea level upon melting.

In this activity (on page 14 of PDF), learners use a pan full of flour and some rocks to create a moonscape.

In this activity, learners use tinfoil to build and test their own boats - which designs will float, and which will sink?

In this environmental health activity, learners investigate their own vital lung capacities.

In this math lesson, learners participate in several activities where they apply measurement skills.

In this activity (on page 5 of PDF), learners use dry ice and household materials to make scientifically accurate models of comets.