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In this activity on page 24, learners perform experiments to examine whether or not trash can float, blow around, or wash away.

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

In this activity, learners use chocolate to explore how the Sun transfers heat to the Earth through radiation.

In this activity, learners observe the effect of transpiration as water is moved from the ground to the atmosphere.

Learners complete a series of hands-on and investigative activities to explore cumulus clouds.