Group of children and adults using dry ice to make bubbles in Explore Science Let's Do Chemistry Sublimation Bubbles activity

Short Activities

Short activities are brief hands-on experiences lasting less than 15 minutes for small groups of people. They are often presented at a table, cart, or demonstration space in a variety of settings such as a museum exhibit gallery, classroom, or other public or group setting. Multiple short activities can be combined to form a longer activity.
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Two gallon-sized paint cans–one made out of clear plastic and the other metal– are side by side on a table. Behind them, two youths are seated at the table. Together they place a handheld, hand crank radio with a long antenna into the plastic paint can.

Radio Explorers: Radio Silence

Learners compare and contrast how a variety of materials can block radio waves.
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