Gfletchy
Deep Freeze
Warm up to the idea of subtracting integers. After watching a video where the contents of a cup instantly freeze when tossed into the air, pupils estimate the air temperature of Duluth, Minnesota (where the video was made). They then use...
Gfletchy
Thumbs on Fire
How fast are those thumbs? Pupils view a short video showing a person typing out a text message in a speed challenge. They use the information they can glean from the video to estimate the number of seconds it will take to completely...
Gfletchy
Fill ‘er Up
Drink in a lesson on volume. Individuals first view a video clip where a conical cup is used to pour water into a water cooler jug. Using provided dimensions of the cup and the jug, they estimate the number of cups required to fill the...
American Chemical Society
A Closer Look at Crystals
It's about to become crystal clear! Learners compare and contrast three different types of crystal substances. First they observe their structure and then investigate how they interact with various substances.
American Chemical Society
Mentos and Diet Coke!
Let the bubbles tell the story. Using a hands-on lesson, budding scientists learn how carbon dioxide in soda interacts with objects placed in the soda. The lesson explains how the gas adheres to the surface of the objects based on the...
American Chemical Society
Flame Out
Add a little heat to your science lesson. Young experimenters work to understand the chemical reaction taking place when a candle burns. They experiment with both oxygen and carbon dioxide to make conclusions about the reaction.
American Chemical Society
Time for Slime
Slime is more than just a fun pastime. Learners study the bonding of polymers using a mixture of glue, borax, and water. They then explore the properties of the slime and learn how the polymers in glue bond with ions in borax.
American Chemical Society
Dissolving M-and-Ms
Learning ... how sweet it is! A hands-on lesson uses colored candies to demonstrate how positive and negative charges interact. Pupils use different types of liquids and watch as the color from the candies spreads—or doesn't.
American Chemical Society
Diapers: The Inside Story
There shouldn't be any accidents with this activity! An inquiry-based lesson has learners explore the absorption properties of the gel compound in diapers. After testing its properties, they learn the science of the molecules that make...
American Chemical Society
Colors on the Mooove!
It does a mind good! Learners experiment with a combination of food coloring, detergent, and milk. They observe how the food coloring reacts with the different liquid combinations and relate their observations to the charges on the fat,...
American Chemical Society
Engineering a Floatation Device
Classes will definitely not be sinking after a buoyant lesson! A project-based assessment helps highlight the importance of prior knowledge as individuals design a floatation device for a cell phone. They use their knowledge of chemical...
American Chemical Society
Conservation of Mass
It may take up less space, but the mass stays the same. Tackle a common misconception about conservation of mass using a hands-on instructional activity. Learners measure the mass of substances before and after melting, dissolving, and...
American Chemical Society
Chemical Reactions and Color Change
Colors are more than just a pretty effect. Learners explore what color change means in terms of chemical properties and reactions. They create a pH solution using cabbage leaves and observe the changes when acids and bases are added.
American Chemical Society
Forming a Precipitate
Things are getting a little slippery in an inquiry-based lesson studying precipitates. Learners use soap and Alka-Seltzer tablets to create different mixtures with water. They then study the properties of the mixtures including their...
American Chemical Society
Exploring Baking Powder
Birthday cake wouldn't be light and fluffy without the chemical reactions between ingredients. Young scientists explore some chemical reactions in the 11th installment of a 16 lesson Inquiry in Action series. They determine the...
American Chemical Society
What’s the Difference between Baking Soda and Baking Powder?
Introduce pupils to chemical reactions. Using the hands-on lesson, learners experiment with substances that combine to form a gas. Different substances react to form different amounts of gas, leading to a discussion about the particles...
American Chemical Society
The Density of Liquids
It's in your destiny to study density! Young scientists conduct an experiment to study the relationship between weight and density. They compare weights of liquid samples of different substances and predict how their densities are related.
American Chemical Society
Mixing Liquids to Identify an Unknown Liquid
Yellow and blue make green in a colorful lesson on liquid solutions. The seventh installment of a 16-part Inquiry to Action series asks pupils to mix different-colored solutions and record their observations. They then use their...
American Chemical Society
Identifying an Unknown Liquid
Liquids are what's the matter with the lesson! Learners investigate properties of different liquids as they interact with various types of paper. They then use their observations to identify a mystery liquid to finish the sixth lesson in...
American Chemical Society
The Water Cycle
Bring the water cycle into the classroom without the mess. Learners build a model of the water cycle using everyday materials. They observe the process of evaporation and condensation and relate their observations to the larger scale...
American Chemical Society
Dissolving and Back Again
From solid to liquid and then back again. Young scientists dissolve salt in water and then evaporate the water while observing what happens to the solute. They use their observations to make predictions about other solutions.
American Chemical Society
Dissolving an M&M
Here's a sweet lesson to explore solutes and solvents. Using candies and water, learners observe properties of parts of the solution as the candies dissolve. They then modify the setup and note variations in the solution.
American Chemical Society
Matter Is Made of Tiny Particles
Believe in the invisible and convince the class that tiny particles exist even if they can't see them! A thorough lesson investigates all phases of matter and provides pupils hands-on experiences that demonstrate that all matter is made...
Digital Public Library of America
Fannie Lou Hamer and the Civil Rights Movement in Rural Mississippi
Good primary resources, offering different perspectives on important issues and events, are hard to find. A packet of 12 primary source images, videos, audio recordings, records, and newspaper articles related to the 1960s civil rights...