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In this activity, learners will be working with predictions with a time frame of one week, or longer. Start by planting seedlings.

This is an activity about turbidity, or the amount of sediment suspended in water.

In this outdoor water activity, learners explore how to change the direction of water flow. Learners make puddles in dirt or use existing puddles and sticks to make water flow.

In this activity, learners will construct a measuring device (snake "string") to improve their observation skills.

Learners use a variety of beans to represent a variety of species, and scatter these beans over a large piece of paper representing the environment.

In this activity, learners build penetrometers to test leaf toughness. Biologists measure leaf toughness to study the feeding preferences of insects and bugs.

In this activity, learners compare and contrast their own skin (including the area covered) with that of an orange.