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### We found 33 resources with the keyterm decay

Videos (Over 2 Million Educational Videos Available)

8:55

The Circulatory System Part 1: The Heart

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Who was Frederick Douglass?

3:11

Defining Gravity

Other Resource Types
(33)

Lesson Planet: Curated OER

#### Get a Half-Life Student Worksheet

Young scientists use a worksheet to help them perform a lab on the decay of a radioactive element. The worksheet serves as both a task guide and a lab sheet for pairs of learners. This activity requires a calculator and has excellent...

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#### How Do You Solve a Word Problem with Exponential Decay?

The instructor first identifies what formula to use to solve this word problem. Then she explains what each of the variables stands for and helps match up their given values in this word problem. There are many components to solving this...

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#### Rotting Apple

Even the witch in Snow White had a better looking apple than this! Watch as mold spreads, consuming and rotting a once red apple. May you never have to see this in your lunch box. Show the video instead of attracting fruit flies into...

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#### Fruit and Vegetable Decomposition, Time Lapse

Prepare to be disgusted as a bowl of fruits and vegetables decomposes in a matter of minutes! This video, taken over 74 days, shows the mold and decay, complete with fruit flies. Great for a biology or even nutrition class!

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#### WS 6.1 Nuclear Particles and Reactions

In this nuclear chemistry worksheet, students define radioactivity and the types of nuclear reactions. They label nuclear reactions with one of five types of reactions including fusion, fission, induced, natural decay or electron capture.

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#### Good Litter, Bad Litter

Which ones can be thrown on the ground? Discover the difference between natural litter and unhealthy trash, helping scholars by using several examples. Use the information here to give them a basic background, but also encourage prior...

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#### Observing the Pumpkin Cycle

Students observe and listen to nonfiction books about the life cycle of pumpkins. They practice early reading skills in a shared reading related to pumpkins. They observe the life cycle of a pumpkin including growth and decay.

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#### Time Lapse - Tomato

Behold the rotting tomato! In one minute, watch as a tomato shrivels and molds into nastiness. In reality, this took two months.

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#### How Do You Identify Exponential Behavior from a Pattern in the Data?

The teacher illustrates two different exponential tables and explains what each one of them means. These are function tables, one demonstrates exponential growth and the other exponential decay. She clarifies how to analyze the...

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#### The good microbes

The question posed for the class to consider; What would decay and what would not? They read the short passage on decomposition and microbes, then mark the items that would decay after a two-week period. A scientific investigation idea...

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#### Nuclear Reactions Answers to Questions

Written to accompany another slide show available through our site, the information here gives the history and trivia connected to nuclear decay research. This slide show concentrates on the definitions and theory of nuclear fission and...

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#### Plaque Busters

Students work with the scientific method; observation, hypothesis, and experimentation. They observe the effects of decay and the need of good oral hygiene during an experiment with an apple.

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#### Casual Patterns in Ecosystems

Ecology explorers or beginning biologists view a time-lapse film of decaying strawberries. They discuss how decomposition occurs and what factors might affect the rate of decay. Alone, the lesson plan is lacking engaging attributes....

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#### Half-life Worksheet

In this half-life worksheet, students determine how long it takes for a 100g sample of AU-198 to decay to 6.25g. Then they determine the half-life of a radioactive isotope if a 500.0g sample decays to 62.5g in 24.3 hours. Students also...

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#### Using Radioactive Decay to Determine Geologic Age

Students investigae using radioactive decay to determine geologic age.

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#### Nuclear Decay

In this nuclear decay worksheet, students read about alpha and beta decay and the isotopes formed by the reactions. Students solve nine problems including writing the equations for the decay of radioactive isotopes, identifying the...

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#### Absolute Ages of Rocks

In this age of rocks worksheet, students answer five matching questions about terms related to the decay of atoms. They use a strip of paper to simulate half life of atoms and determine the total amount of time it took to deplete the paper.

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#### Nuclear Chemistry Worksheet

In this nuclear chemistry worksheet, students solve nine problems about half life, positron emission, nuclear fission and nuclear fusion.

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#### "Ozymandias" Theme of Transience

In this "Ozymandias" worksheet, students discuss the theme of transience. Students answer four questions about permanence and decay in the world.

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#### Watch Your Mouth

Students become better aware of their anatomy, development and function of their teeth. In this healthy mouth lesson students view a slideshow and complete several activities.

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#### Chemical Changes to Matter

Young scholars analyze the causes of corrosion. In this chemistry instructional activity, students investigate what is necessary to cause chemical changes in matter. Young scholars discover the causes of rust and tooth decay.

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#### Be a Good Egg

Students use an eggshell decay to represent what happens when a person loses someone's trust. In this trust instructional activity, students discuss decay and complete an eggshell decay activity. Students use the experiment to represent...

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#### The Rotten Truth: Healthy Food from Healthy Soil

Students investigate methods of decomposition in order to make compost. In this decomposition science lesson plan, students set up compost bags using food and materials which decay over time. The initial lesson plan is approximately 30...

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#### Radioactive Half-Life

In this half-life worksheet, students determine how much of the radioactive isotopes will remain after a certain amount of time. This worksheet has 11 problems to solve.