American Chemical Society
A Catalyst and the Rate of Reaction
More than 90 percent of chemical products are made using a catalyst. Lesson demonstrates the way a catalyst changes the rate of reaction without altering the chemical reaction. A catalyst doesn't appear as a reactant or a product, yet it...
Cornell University
Chemical Reactions
Investigate the Law of Conservation of Mass through a lab exploration. Individuals combine materials to initiate chemical reactions. They monitor for signs of reactions and measure the masses before and after the reactions for...
Science Matters
Formative Assessment #2
Learners work collaboratively to predict what life would be like as an Arctic Hare. Teams go on a hunt where scholars role play an owl, white hares, and gray hares. Independently, pupils record their findings and reflect on their...
Alabama Learning Exchange
Place Value Review
Here is a fast-paced addition game which reinforces the concept of place values. Learners view a PowerPoint on place value, then engage in the game using a whole-class format. This is a stimulating, and interesting math game lesson.
Curated OER
introducing the Concept: Using Ratios and Percents
Young scholars convert decimals and fractions to percents. In this introductory percents lesson, learners work with equivalent fractions and learn to draw ratios. They recognize how to change a fraction to a percent.
Houghton Mifflin Harcourt
Unit 2 Math Vocabulary Cards (Grade 4)
The 28-page resource contains cards with terms relating to multiplication from inverse operations to front-end estimation to array. Each sheet contains two cards; one with the word and one with the definition.
Curated OER
Investigation--What Are My Chances?
Seventh graders investigate theoretical and experimental probability by conducting a series of experiments with multiple trials, comparing results, combining results and making conclusions. They express probabilities as fractions,...
California Academy of Science
Buoyancy Bulls-Eye
Why does a seastar sink, but a jellyfish float? Through a fun investigation, learners examine the concept of buoyancy using simple household items. The challenge: create neutral buoyancy for an action figure in water. With ample...
Math Mammoth
Grade 1 Worktext
Use graphing, counting, and number lines to help first graders learn about addition and subtraction. An array of worksheets and activities are an excellent resource for your math lesson, whether you are focusing on counting skills...
Curated OER
Human Population- Changes in Survival Rates Data Interpretation
For this human population changes in survival worksheet, students interpret and plot data to understand the differences in human mortality and survivorship between historic and modern times. They investigate how these changes influence...
It's About Time
Speedy Light
We know the speed of light, but can we measure the speed of dark? During the lesson, scholars perform gedanken, or thought experiments related to the speed of sound and the speed of light.
Nuffield Foundation
Effect of Size on Uptake by Diffusion
Cell size is limited by the surface area to volume ratio, but why is this true? Scholars measure the surface area and volume of cubes before placing them into liquid. After a set amount of time, they measure the uptake by diffusion for...
Digital Writing and Research Lab's – Lesson Plans
Teaching Close Reading through Short Composition/Revision
This activity may have writers evaluate short compositions, but their subjects are quite tall: great Americans. Pupils read one another's compositions and closely examine how specific phrases and diction contribute to shaping American...
Curated OER
Investigating What Makes Fruit Go Brown
Is there anything that can be done to slow the browning of fruit once it has been cut? High schoolers determine the answer through five different investigations involving apples, potatoes, and chemical reactions. After each experiment,...
Curated OER
Is It Safe to Go In? Water Quality of Bathing Areas in the EU
Using your senses, apprehend the effects of contaminants in water. With a global focus, young scientists conduct a safe experiment by tasting sugar and salt water with different dilutions. After reviewing threshold limits, learners write...
DK Publishing
Real-life Problems, Working with Fractions
Test your fifth graders' math skills with five word problems involving fractions. After studying two examples at the top of the page, pupils multiply fractions by whole numbers to solve each word problem. The worksheet provides two...
Willow Tree
Line Plots
You can't see patterns in a jumble of numbers ... so organize them! Learners take a set of data and use a line plot to organize the numbers. From the line plot, they find minimum, maximum, mean, and make other conclusions about the...
DiscoverE
Action Figure Diver
Will your next buoyancy lab rise to the occasion? Make a splash with action figure divers! Teams of young physicists explore the relationship between mass and buoyancy by adding weights or balloons to achieve a diver that neither sinks...
Curated OER
Primary Counting Skills
Class members drill and practice counting skills from 1 to 20. They count along with a puppet and when the puppet makes a mistake, they correct it. In pairs, they connect cubes to make a train and count the number used. On the last of...
Open Text Book Store
Arithmetic for College Students: Worksheets
Loaded with concepts ranging from multiplying decimals to converting units to solving problems using the order of operations, a thorough practice packet is perfect for a fifth or sixth grade math classroom.
DiscoverE
Build a Pinball Game
Watch your classroom turn into an arcade. Pupils work in groups to build pinball machines from boxes and other found objects. Gamers must incorporate a variety of obstacles and launchers into the machine to see their designs in motion.
DiscoverE
Design a Folding Solar Panel
Solar energy is an amazing alternative ... but, not always particularly portable! Challenge young scientists to a folding solar panel build-off with an easy-to-execute activity. Scholars brainstorm around specific design needs, construct...
Curated OER
Budget Mania
Students examine several examples of budgets to develop a facility with the components of its formation. Income, expenses, and expenditures are considered and itemized for this lesson.
Curated OER
Roundin' Up the Chariots
Simulate chariots and driver and practice rounding numbers with your class. In teams of three, they race to the finish line where the teachers asks the chariot driver to round a certain number. They take turns being the driver.