University of Colorado
Are All Asteroids' Surfaces the Same Age?
Did you know scientists can tell the age of an asteroid by looking closely at its craters? This final lesson of a six-part series focuses on two asteroids, Gaspra and Ida, in order to demonstrate the concept of dating asteroids. Scholars...
Teach Engineering
Bridging the Gaps
The London Bridge should not have fallen down. And here's why. After a brief history of bridges and the three main types, class members are introduce to the concepts of tension and compression, the two main forces acting upon bridges.
Virginia Department of Education
The Rate of Motion
How much time does it take to jump over three balloons? Pupils calculate the speed of tasks that require different motions. They determine motions for tasks such as walking, skipping, hopping, and jumping before creating a...
EngageNY
Margin of Error When Estimating a Population Mean (part 1)
We know that sample data varies — it's time to quantify that variability! After calculating a sample mean, pupils calculate the margin of error. They repeat the process with a greater number of sample means and compare the results.
West Contra Costa Unified School District
Interest and the Number e
Mary, Mary, quite continuously, how does your money grow? Uses examples to examine the difference between simple interest and compound interest, and to take a look at different rates of compounding. Learners explore what would...
Discovery Education
School of Rock
Why do rocks break down over time? Learners explore this concept by simulating physical and chemical weathering of different types of rocks. They use an abrasive to demonstrate physical weathering and acid to demonstrate chemical...
MENSA Education & Research Foundation
Probably Probability
Reinforce the concept of probability with a series of lessons highlighting the idea of likelihood, probability formulas, relative frequency, outcomes, and event predictions. The collection is made up of four lessons offering informative...
American Chemical Society
Isolation of Phytochrome
Why do soybean plants that are planted weeks apart in the spring mature simultaneously in the fall? Four independent activities cover the history of phytochrome research, scientist collaboration, the electromagnetic spectrum, and...
Computer Science Unplugged
The Poor Cartographer—Graph Coloring
Color the town red. Demonstrate the concept of graph theory with a task that involves determining the least number of colors needed to color a map so that neighboring countries are not represented by the same color. Pupils...
Chicago Botanic Garden
Seasons of a Plant
The third in a series of six lessons is an engaging three-part activity defines that discusses phenology, focusing on the cyclic seasons of plants. Pupils then observe phenology outside before determining how climate change can...
Big Kid Science
Measuring Shadows Using an Ancient Method
How did ancient peoples determine the height of really tall objects? Young scientists and mathematicians explore the concept of using shadows to measure height in a hands-on experiment. Paired pupils measure shadows, then calculate the...
Beyond Benign
Sublimation
Ah, caffeine! What would some of us do without it? Teach your high school chemistry class the concept of sublimation as they complete a hands-on experiment to visualize the changes caffeine undergoes during heating and cooling....
Kenan Fellows
Weight and Balance of an Airplane
A career in aeronautics might be calling your class members. Building from the previous two lessons in the series, learners continue analyzing the mathematics of aeronautics. Groups create a paper airplane using paperclips for balance....
Macmillan Education
Comparative Adjectives
How can you show that an item is colder than something else? Or that it is more beautiful? Use a worksheet to reinforce the concept of comparative adjectives. With fill-in-the-blanks, word banks, and multiple choice questions, the...
Royal Society of Chemistry
A Solid-Solid Reaction between Lead Nitrate and Potassium Iodide
Why is it so difficult to make two solid compounds react? Investigate the concepts of particle collisions and rate of reaction using a quick demonstration. The colorful experiment features two plain, white solids combining to form a...
National Endowment for the Humanities
Animal Farm: Allegory and the Art of Persuasion
Introduce your class members to allegory and propaganda with a series of activities designed to accompany a study of George Orwell's Animal Farm. Readers examine the text as an allegory, consider the parallels to collective farms...
Illustrative Mathematics
Numbers in a Multiplication Table
Identifying patterns is a crucial skill for all mathematicians, young and old. Explore the multiplication table with your class, using patterns and symmetry to teach about square numbers, prime numbers, and the commutative and identity...
PJ Library
Joseph Had a Little Overcoat
Teach children that just because something is old, doesn't mean you have to throw it away with a reading of Joseph Had a Little Overcoat by Simms Taback. Engaging children with an arts and crafts activity in which they patch the...
Exploratorium
Whack-a-Stack
Go wild as you hit a stack of wooden blocks to demonstrate Newton's first and second laws of motion. The blocks at the top of the stack stay put as you knock one at a time out of the bottom. Note, however, that you will need to...
MENSA Education & Research Foundation
Fabulous Fibonacci and His Nifty Numbers
Fibonacci numbers are not only found in the classroom but also in nature. Explore the concept of Fibonacci numbers through a series of lessons designed to gain insight into the mathematical reasoning behind the number pattern, and spark...
Virginia Department of Education
Volume of a Rectangular Prism
Fill the minds of your young mathematicians. A hands-on activity has learners fill in a rectangular prism with unit cubes to determine its volume. the exercise provides a great hands-on way for learners to connect the activity...
Prestwick House
Rhyme and Repetition in Poe's "Annabel Lee"
Many and many a year ago Edgar Allan Poe crafted the chilling tale of "Annabel Lee." The poem is the perfect vehicle to introduce Poe's concept of unity of effect, the idea that every element in a poem or story should help to develop a...
Northern Lights Special Education Cooperative
Lessons from The 7 Habits of Highly Effective Teens
As part of a study of Sean Covey, the author of The 7 Habits of Highly Effective Teens learners write autobiographical e-mails, hold discussions, create a collage, and compose a personal mission statement. Pupils then have a...
Missouri Department of Elementary
Ingredients of a Relationship Recipe
An eye-catching hook makes a smart analogy between ingredients for a food recipe and ingredients for quality relationships. Scholars discuss and list qualities they feel contribute to positive interactions. Pupils create a recipe card...