Half-life- Gizmo-complete 2022

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Student Exploration: Half-life Vocabulary: daughter atom, decay, Geiger counter, half-life, isotope, neutron, radiation, radioactive, radiometric dating Prior Knowledge Questions (Do these B... EFORE using the Gizmo.) 1. Have you ever made microwave popcorn? If so, what do you hear while the popcorn is in the microwave? 2. If you turn the microwave on for two minutes, is the rate of popping always the same, or does it change? Explain. Gizmo Warm-up Like an unpopped kernel in the microwave, a radioactive atom can change at any time. Radioactive atoms change by emitting radiation in the form of tiny particles and/or energy. This process, called decay, causes the radioactive atom to change into a stable daughter atom. The Half-life Gizmo™ allows you to observe and measure the decay of a radioactive substance. Be sure the sound is turned on and click Play ( ). CONTINUED......... [Show More]

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