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116 reviewed resources

Videos (Over 2 Million Educational Videos Available)
Cells - Overview & Introduction Video
4:07
Cells - Overview & Introduction
Women's History Activator: Eleanor Roosevelt Video
5:34
Women's History Activator: Eleanor Roosevelt
Volcano Video
4:37
Volcano
Other Resource Types ( 116 )
6 Items in Collection
Lesson Planet

Mixtures and Solutions

For Students 5th - 7th Standards
Engineers must consider the properties of matter when designing new things like synthetic materials, medicines, cleaning solutions, devices, and structures. To prepare for this new world, brave young engineers examine the fundamentals of...
15 Items in Collection
Lesson Planet

Chemistry Simulations from PhET

For Teachers 6th - Higher Ed Standards
Bring your science classroom into the 21st century with this collection of digital simulations. From an introduction to the states of matter to balancing chemical equations and investigating radioactive decay, these engaging interactives...
Lesson Planet

Polymers: Instant Snow

For Teachers Pre-K - 6th Standards
Is it easy to make snow? Scholars use critical thinking skills as they investigate the concept of polymers by making snow. The class tests several different variables and takes measurements over the course of several days. They then...
Lesson Planet

Bombs Over Bikini: Teacher's Guide

For Teachers 6th - 8th Standards
The Cold War and the Manhattan Project launched the world into the nuclear age. Young historians explore how nations searched for bigger and better weapons to hold an advantage over other nations. Through discussion and comprehension...
Lesson Planet

A Visible Activated Complex Experiment

For Teachers 6th - Higher Ed Standards
When was the last time your class saw a catalyst in action? Chemistry scholars observe an activated complex during an engaging experiment. Through both color change and evolution of a gas, individuals gain insight into the...
Lesson Planet

Heat Transfer and Cooling

For Teachers 6th - 8th Standards
Astronauts train underwater to simulate the change in gravity. An out-of-this-world unit includes three hands-on activities, one teacher demonstration, and a discussion related to some of the challenges astronauts face. Scholars apply...
Lesson Planet

Thermodynamics—Teacher Guide

For Teachers 7th - 12th Standards
I'm so cool! No, you're exothermic. This thermodynamics lab unit includes an introduction, teacher demonstrations, six labs that students rotate through each class day, homework assignments, application of knowledge, and assessments....
Lesson Planet

Can Gases Dissolve in Water?

For Teachers 6th - 8th Standards
Why does soda fizz when opened? Learners discuss the appearance of bubbles in soda bottles when opened. In groups, they design and complete an experiment comparing the amount of carbon dioxide dissolving in cold versus hot liquids.  
Lesson Planet

Carbon Dioxide Can Make a Solution Acidic

For Teachers 6th - 8th Standards
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...
Lesson Planet

Neutralizing Acids and Bases

For Teachers 6th - 8th Standards
Most things naturally strive for balance, and acids and bases are no exception. Neutralization of acids and bases allows scholars to explore the color changes associated with the pH scale. After this exploration, pupils neutralize two...
Lesson Planet

pH and Color Change

For Teachers 6th - 8th Standards
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...
Lesson Planet

Using Chemical Change to Identify an Unknown

For Teachers 6th - 8th Standards
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...
Lesson Planet

A Catalyst and the Rate of Reaction

For Students 6th - 8th Standards
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...
Lesson Planet

Temperature and the Rate of a Chemical Reaction

For Students 6th - 8th Standards
Putting glow sticks in the freezer makes them last longer, but why is that? Lesson focuses on how temperature impacts the rate of a chemical reaction. It begins with a teacher demonstration, then scholars design their own experiments...
Lesson Planet

Forming a Precipitate

For Students 6th - 8th Standards
Can you mix two liquids to make a solid that is insoluble? Yes, you can, and pupils see this as the instructional activity uses more than one combination of liquids to form a solid. Through two teacher demonstrations and a hands-on...
Lesson Planet

Controlling the Amount of Products in a Chemical Reaction

For Students 6th - 8th Standards
Everyone enjoys combining baking soda and water. Here is a lesson that challenges scholars to analyze the reaction three different ways — the real substances, the chemical equation, and the molecular models. Class members experiment to...
Lesson Planet

Temperature Affects Density

For Students 6th - 8th Standards
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...
Lesson Planet

Density: Sink and Float for Liquids

For Students 6th - 8th Standards
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...
Lesson Planet

Density: Sink and Float for Solids

For Teachers 6th - 8th Standards
Steal cubes sink, but steal ships float. Lesson explores the density of solids as well as the density of water in determining what will sink and what will float. A hands-on group activity helps pupils see that weight and volume are two...
Lesson Planet

Density of Water

For Students 6th - 8th Standards
We know solids have a density we can measure, but what about liquids? Lesson explores this concept and allows scholars to explore the relationship between volume and density. Graphing and analysis questions round out the activity. 
Lesson Planet

Finding Volume: The Water Displacement Method

For Teachers 6th - 8th Standards
We have formulas for finding the volume of geometric shapes, but what if the shape is irregular? Lesson describes how to find volume through water displacement. After a demonstration, scholars practice in small groups. Then analysis...
Lesson Planet

What is Density?

For Teachers 6th - 8th Standards
Density: the reason a giant pumpkin will float, but a tiny cranberry won't. Lesson begins with a demonstration of two of the same-sized cubes having different densities. Then pupils take eight cubes, each of the same size, and have to...
Lesson Planet

Changing State: Melting

For Students 6th - 8th Standards
Dry ice is extremely cold — it is -109.3°F or -78.5°C. Scholars observe and explain the molecular motion associated with melting. Then they design their own experiments to speed up the melting process. Finally, a teacher presents a...
Lesson Planet

Changing State: Freezing

For Students 6th - 8th Standards
There are five types of frost: ground frost, air frost, hoar frost, glaze, and rime. Scholars mix ice and salt in a metal container to observe frost forming on the outside of the can. Animations and videos enhance the learning.