American Physiological Society
How Does the Density of a Liquid Affect the Buoyancy of an Object?
Here's a lesson plan that will really float your boat! Introduce physical science scholars to the relationship between buoyancy and density through an assortment of individual and collaborative exercises. Lab groups work together to...
Science Matters
Richter Scale
The 12th lesson in a series of 20 opens with a demonstration of exponential functions using pasta. This concept is connected to the Richter Scale, which is also an exponential function. Scholars compare the exponential scale that...
Wind Wise Education
Understanding Forms and Sources of Energy
What is the difference between a form of energy and a source of energy? This first activity in a series of 19 lessons uses demonstrations and discussions to introduce energy to the class. Through using hand-generator flashlights,...
American Chemical Society
What is a Chemical Reaction?
When a candle burns down, what happens to the mass that appears to be shrinking? Lesson begins with a demonstration of the chemical reaction of a candle burning. Then scholars use atom models to observe conservation of mass concretely.
Teach Engineering
Fun Look at Material Science
Introduce materials science with a class demonstration. After showing a PowerPoint presentation on materials and their properties, instructors provide a ceramic tile, a Popsicle stick, a paper clip, and a plastic bag as examples of...
Baylor College
Food for Kids
Immediately capture the attention of your class with the smell of freshly popped popcorn in the sixth lesson of this series on the needs of living things. Young scientists first use their senses to make and record observations of...
Safe Drinking Water Foundation
Demonstration of Water Pollution
In this teacher-led demonstration, your young environmentalists will observe and record how different types of water pollutants look when they are combined. From here, individuals will develop a hypothesis on how the water can be...
Science Matters
Earthquake Waves: Wave Notes
A multi-part lesson opens with a review of p waves and s waves. Then scholars use a simple s wave simulator to view the way the wave travels. Next, pupils use cups and various fluids to simulate p waves moving through different mediums....
Science Matters
Volcano Models
More than 80 percent of the earth's surface originated from volcanoes. The 16th instructional activity in a 20-part series introduces the shape and development of volcanoes. It begins with a demonstration using a balloon and flour to...
NASA
The Cycle of Matter
An educational instructional activity focuses on the idea of conservation of matter through a demonstration of the water cycle, a discussion of digesting food, and the path of carbon and oxygen atoms as they change form.
American Chemical Society
Forming a Precipitate
Can you mix two liquids to make a solid that is insoluble? Yes, you can, and pupils see this as the lesson uses more than one combination of liquids to form a solid. Through two teacher demonstrations and a hands-on activity, scholars...
American Chemical Society
pH and Color Change
Did you know strong bases can feel slippery and slimy? Lesson allows scholars to practice using the pH scale to identify acids and bases and their strengths. By changing the concentration of an acid and a base, they create the entire...
American Chemical Society
Temperature Affects Density
Different substances can have different densities, but can the same substance have different densities? Lesson explores the effect of temperature on the density of water. Extension idea connects the concept of how melting ice in lakes...
American Chemical Society
Using Chemical Change to Identify an Unknown
If you discover an unknown powder, how do you determine if it is safe? Lesson uses four different tests to identify the properties of various powders that appear the same. Then scholars get an unknown powder and have to determine which...
American Chemical Society
Density: Sink and Float for Liquids
We don't think of liquids as floating typically, but a quick look at any oil spill tells a different story. Lesson explores various densities of liquids and why this fact is important. After observing the density variation, scholars...
NOAA
Plate Tectonics II
Mid-ocean ridges, rift valleys, island arcs, mountain ranges, earthquakes, volcanoes ... there are so many features associated with plate tectonics. The 14th installment of a 23-part NOAA Enrichment in Marine sciences and Oceanography...
NOAA
Ocean Layers I
How is it possible for ocean water to have layers? The sixth installment of a 23-part NOAA Enrichment in Marine sciences and Oceanography (NEMO) program investigates factors that cause different water densities to occur. Experiments...
NOAA
Vertebrates I
I spy a spine. The 19th installment of a 23-part NOAA Enrichment in Marine sciences and Oceanography (NEMO) program explores vertebrate species, such as sharks and other fish. Learners take part in an activity evaluating the...
Center for Learning in Action
Water—Changing States (Part 1)
Here is part one of a two-part lesson in which scholars investigate the changing states of water—liquid, solid, and gas. With grand conversation and up to three demonstrations, learners make predictions about what they think will happen...
American Chemical Society
Changing the Density of an Object - Adding Material
In this sixth of seven activities revolving around the concept of density, physical science fans figure out if anything can be done to change the density of an object. Demonstrate by placing a can of regular and a can of diet soda into a...
Howard Hughes Medical Institute
The Making of the Fittest: The Birth and Death of Genes
After watching an engaging 13-minute video about the colorless blood of icefish, future ichthyologists examine icefish blood and non-icefish blood (blood samples are simulated with Karo syrup mixtures) to determine advantages of...
Baylor College
Heart Rate and Exercise
What is the relationship among the heart, circulation, and exercise? Your class members will explore first-hand how different physical exercises affect an individual's heart rate. They will begin by learning how to measure their own...
American Chemical Society
Carbon Dioxide Can Make a Solution Acidic
Can your breath change the acidity in a liquid? A lesson begins with a demonstration that proves it can. Then scholars perform an experiment to determine if other gases can change the pH of liquids. Finally, they research how this...
Virginia Department of Education
Equilibrium and Le Chatelier’s Principle
The best part of learning about equilibrium is that nothing changes. Young chemists observe four demonstrations during this lesson: equilibrium in a saturated solution, equilibrium with an acid-base indicator, equilibrium with cobalt...
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