Code.org
Controlling Memory with Variables
Not all variables are created equal. Discover how variables in computer science are different from variables in math class. Scholars learn to work with variables in computer programming by developing a mental model for how variables...
Kenan Fellows
Terrarium in a Bottle: Modeling the Atmosphere, Greenhouse Effect, and Water Cycle
You've heard of farm to table ... but what about farm in classroom? Junior agriculturalists embark upon a two-week journey into the science of growing things. Based upon the classic terrarium in a two-liter experiment, the lesson goes...
Curated OER
Those Vexing Variables
Students recognize dependent and independent variables in an experiment by practicing manipulation of variables; students practice designing experiments that contain the two types of variables.
Curated OER
Variables Affecting Earth's Albedo
Students study the variables that affect the Earth's albedo. In this environmental data analysis activity students interpret and graph information and calculate changes.
National Wildlife Federation
Stifling, Oppressive, Sweltering, Oh My!
Looking for a hot date? Pick any day in August, statistically the hottest month in the United States. The 15th lesson plan in the series of 21 instructs pupils to investigate the August 2007 heat wave through NASA data, daily temperature...
Science Matters
Thermal Energy Flow in Materials
The sun sends the earth 35,000 times the amount of energy required by all of us on the entire planet, every day. The fourth instructional activity in the 10-part series looks at how light energy from the sun transfers into thermal...
Science 4 Inquiry
Enzymes in Action
Enzymes play a role in almost every function in the human body. Scholars explore three variables related to the use of enzymes. They observe a catalase reaction, experiment with substrates, and examine reactions rates.
National Wildlife Federation
Is It Getting Hot in Here, or Is It Just Me?
Currently, only 2.1% of global warming is felt on continents, while over 93% is felt in the oceans. The fourth lesson in the series of 21 on global warming is composed of three activities that build off one another. In the first...
American Chemical Society
Can Liquids Dissolve in Water?
How does food coloring work? Classes watch a demonstration showing liquids dissolving in liquids. In groups, they then explore the ability of other liquids to dissolve in water (alcohol, mineral oil, and corn syrup) by setting up and...
Cornell University
Polymers: Instant Snow
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...
Kenan Fellows
Algebra I Review, Solving for Unknown Variable
Many high school science courses rely on mastery of algebra skills. In an integrated chemistry and Algebra II lesson scholars review solving equations for a specified variable with a worksheet. They use common chemistry equations to...
Teach Engineering
Airplane Tails and Wings: Are You in Control?
Keep everything under control. The lesson, the 16th segment in a 22-part unit, provides a more detailed look at the parts of a plane, specifically the control surfaces. Pupils learn about the construction of the wings and the tails and...
Beyond Benign
In a Lather
Time to come clean! Scholars continue preparing the shampoo they created in the previous two lessons. The purpose of this stage is to calculate the perfect amount of additive to make the shampoo lather.
American Chemical Society
Molecules in Motion
I heard that oxygen and magnesium were going out and I was like "O Mg." Pupils experiment with adding food coloring to water of various temperatures in order to determine how temperature impacts molecular movement. This is the...
American Chemical Society
M&M's in Different Temperatures
Help your class come up with a procedure for comparing the dissolving rates of colored candy coating in different temperatures of water. If you are placing importance on controlled variables with your class, make sure that they use equal...
Nuffield Foundation
Investigating Osmosis in Chickens' Eggs
You might not be able to learn through osmosis, but you sure can observe it! Scholars observe and measure osmosis using chicken eggs. They control for multiple variables to determine which variables have an impact and how the impact...
Curated OER
Who Lives in the Water? Stream Side Science
Andree Walker thought of everything when he wrote this resource. It includes a detailed list of materials and background information links for the teacher. In addition, it has procedures, a macroinvertebrate identification key, and tally...
Curated OER
Analysis of the Concentration of Sodium Chloride in a Product
Students design an experiment to test for the concentration of chloride in products. In this analysis of chloride concentration lesson plan, students develop and conduct an experiment to find the amount of chloride ion in a substance of...
Discovery Education
The Everyday Science of Sports
Physical science juniors will enjoy this sensational enrichment on aerodynamics, especially if they are also sports fans! With a focus on physical features and behaviors, collaborative groups make observations on five different golf...
Bonneville
Variables Affecting Solar Power
Determine the best energy generator. Groups play with a photovoltaic cell to determine the variables that affect its energy output. The teams investigate a variable to determine the optimum performance of the solar cell. Pupils compare...
National Wildlife Federation
Green Green Revolution
School budgets don't have a lot of extra money, so when students propose saving the district money, everyone jumps on board. The first lesson in the series of 21 introduces the concept of an energy audit. Scholars form an eco-action team...
Curated OER
Linear Inequalities in Two Variables
Graph and solve linear equations in two variables. The class relates the concepts of linear equations to the real world.
Curated OER
What's in a Name?
Students explore the plants that grow in Glacier National Park. In this plant biology lesson, students invite a guest speaker to speak about plants that grow in Glacier National Park, as well as the scientific names for the plants....
Curated OER
Pendulum Lab in 9th Grade Physical Science
Ninth graders conduct experiments to determine what affects the rate of a pendulum's swing. Working in small groups, they identify an independent variable to study and create an experiment to test their hypothesis. When tests are...