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Grade 1
Sunlight & Warmth
Sunlight & Warmth
K-PS3-1
In this lesson, students observe the path of the Sun in the summer and in the winter and realize that light from the Sun keeps the Earth warm. In the activity, Mysterious Melting Marshmallows, students solve a mystery: what made the marshmallows melt? (The answer, of course, is the heat of the Sun.)
Preview activityThis activity does not require supplies.
In this activity, students solve a mystery: Why do marshmallows and chocolate melt in one car, but not in another car parked nearby? Be prepared to help your students think and talk about what they notice in the video.
In a series of steps, students consider the problem and think about experiments that will help them solve the mystery. After watching the results of some experiments, students realize that the heat of the Sun melted the marshmallows. (If you want to keep your car cool, park in the shade!)
Grade 1
Sunlight & Warmth
Sunlight & Warmth
K-PS3-1
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