Refine Your Results

Content Curators

Grades

Subjects

Resource Types

Standards

Now... gain access to over 2 Million curated educational videos and 500,000 educator reviews to free & open educational resources

Get a 10 Day Free Trial

194 reviewed resources

Videos (Over 2 Million Educational Videos Available)
Phonics Song 2 (new version) Video
2:54
Phonics Song 2 (new version)
Thomas Jefferson - Author of The Declaration of Indepence & 3rd U.S. President | Mini Bio | BIO Video
4:18
Thomas Jefferson - Author of The...
Volcano Video
4:37
Volcano
Other Resource Types ( 194 )
Lesson Planet

Photosynthesis Investigation

For Teachers 10th - 12th Standards
Can scientists increase the rate of photosynthesis to help clean the air? Scholars complete an experiment determining net photosynthesis. Then, they apply knowledge from the activity to design their own investigations of the factors that...
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

Observing Chemical Changes—Microscale Chemistry

For Teachers 6th - 12th Standards
Want to add a wow factor to your current chemical changes lesson plan? Try a microscale experiment with colorful precipitates! Partnered learners conduct 10 single displacement reactions and record their observations.
Lesson Planet

Preparation and Combustion of Biodiesel

For Teachers 9th - 12th Standards
The United States is the world's largest producer of biofuel. During an in-class investigation, young scientists produce their own biodiesel. They burn a sample of it to determine the heat of combustion. Then they discuss the results...
Lesson Planet

Energy Content of Foods

For Teachers 9th - 12th Standards
Why do athletes load up on carbohydrates the evening before a competition? The lesson helps answer this question as it relates the type of food to the amount of energy it contains. After a discussion, scholars perform an experiment to...
Lesson Planet

What's So Special about Bottled Drinking Water?

For Teachers 9th - 12th Standards
Is artesian water designed to be better, or is it just from wells similar to those in the city of Artesium? This experiment looks at many different types of bottled waters, including artesian. Using a soap mixture, scholars test to see...
Lesson Planet

Harmonic Motion: Pendulum Lab

For Teachers 9th - 12th Standards
Several times throughout history, groups of soldiers marching in rhythm across a suspension bridge have caused it to collapse. Scholars experiment with pendulums, resonance, and force to determine why this would happen. First, pupils...
Lesson Planet

Projectiles: Target Practice

For Teachers 9th - 12th Standards
Angry Birds prepared them, but now pupils must prove their skills with projectiles! Scholars test different variables to determine which ones impact the distance the projectile flies. The experiment provides connections to kinetic and...
Lesson Planet

Law of Conservation of Matter

For Students 9th - 12th Standards
Does mass change during a chemical reaction? Demonstrate the Law of Conservation of Matter while encouraging class members to be creative with a two-part lesson. First, learners use Alka-Seltzer® tablets and water to demonstrate the...
Lesson Planet

Is Yeast Alive?

For Teachers 9th - 12th
Through two investigations, life science learners determine whether or not yeast is alive. They perform tests for metabolism by providing sugar and observing if gas is produced as a byproduct. They incubate some of the sample for at...
Lesson Planet

A Splash of Color - Is Pure Water Colorless?

For Students 6th - 12th
New ReviewWhat makes the ocean blue but a glass of ocean water nearly colorless? Investigators prepare tubes of water to examine the color of water. Scholars discover the relationship between light absorption, color variations, and water depth as...
Lesson Planet

Skin Shield - Explore the Body’s First Line of Defense Against Pathogens

For Students 6th - 12th Standards
New ReviewMake pathogens and the body's defense systems come alive for young biologists in a hands-on activity. Investigators model the skin's protection against infection by observing and comparing changes in a punctured tomato and an intact...
Lesson Planet

Dry Ice Experiments

For Teachers 6th - 12th Standards
New ReviewFreeze it to eat it. The classroom instructor demonstrates a few activities using dry ice. Two of the demonstrations show the carbon-dioxide gas coming from the melting dry ice is heavier than the surrounding air. Learners then use the...
Lesson Planet

Determination of Molar Mass by Boiling Point Elevation

For Students 9th - 12th Standards
Francis Raoult discovered the change in boiling points of solutions varies by the number of particles in the solution. Scholars apply the concept to determine the molality of a solution based on the change in boiling point. They use an...
Lesson Planet

Flame Tests

For Students 9th - 12th Standards
Light a fire in your pupils! Scholars conduct a flame test and observe the emission spectra of several different salts in an enlightening hands-on investigation. They use their observations to make comparisons and conclusions about the...
Lesson Planet

Scientific Notation and Calculations – Energies, Frequencies, and Wavelengths of Photons

For Students 9th - 12th Standards
The calculator has an interesting way of displaying numbers in scientific notation, but don't let that confuse your pupils! A lesson designed to give learners practice with scientific notation and calculators provides several practice...
Lesson Planet

Determination of the Molar Mass of an Unknown Acid

For Students 9th - 12th Standards
Acids and bases have a love-hate relationship. They balance each other so nicely, but they are complete opposites! Learners use these concepts and titration to calculate the molar mass of an unknown substance. The experiment document...
Lesson Planet

The Alchemist's Dream – Copper into "Gold"

For Students 9th - 12th Standards
Many scientists attempted alchemy for hundreds of years before a full understanding of metals became clear. Scholars take a penny and, through two different chemical reactions, make it appear to turn into silver and later gold. They...
Lesson Planet

Gas Pressure and Temperature Relationship

For Students 9th - 12th Standards
Humans tend to huddle together when cold and move around more when warm, but do gas particles follow the same pattern? Scholars use a temperature probe, a pressure sensor, and air to study the relationship between temperature and gas...
Lesson Planet

Mole Relationship in a Chemical Reaction

For Students 9th - 12th
What do budding scientists know about moles and reactions? Using an attention-grabbing lab experiment, young scholars collect data to apply the law of conservation of mass to predict the mass of gaseous products. They examine several...
Lesson Planet

An Introduction to Qualitative Analysis

For Students 9th - 12th Standards
Compounds take on different properties than their elemental components. How can scientists determine those elements? A lab-based activity has learners explore several double replacement reactions to analyze compounds qualitatively. They...
Lesson Planet

Precipitation Reactions and General Solubility Rules

For Students 9th - 12th
The more you know, the better your predictions! Using a hands-on lab experiment, collaborative groups collect information about ionic interactions. They record data describing the precipitate of reactions and use their information to...
Lesson Planet

Liquid Chromatography

For Students 9th - 12th
A hands-on experiment applies chromatography to separate both the colors and components of grape-flavored Kool-Aid. Performing two separate activities, learners first use chromatography to divide the colors. The second activity results...
Lesson Planet

Lewis Structures, VSEPR and Molecular Modeling

For Students 9th - 12th Standards
A model is worth a thousand words. Young scholars use what they know about the structure of hydrocarbons to build Lewis dot structures and molecular models. Their tasks include multiple bonds, geometric hybrids, and various isomers.