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In this activity, learners explore the different salinities of various sources of water by taste-testing.

In this activity, learners discover if carbon dioxide has an effect on temperature.

In this activity, learners explore how light and dark colored objects absorb the Sun's radiations at different rates.

In this activity/demonstration, learners observe what happens when two ping pong balls are suspended in the air by a hair dryer. Use this activity to demonstrate how rain drops grow by coalescence.

In this activity, learners act as the Earth and observe how different angles between the Sun, Earth, and Moon affect the phases of the moon we see each month.

In this activity, learners estimate how much water they think can be found in various locations on the Earth in all its states (solid, liquid, and gas) to discover the different water ratios in the Ea