Curated OER
Glucose Factory
Fourth graders determine, through laboratory activity, the presence or absence of glucose in a variety of plant leaves and stems. They work in groups and perform a three part laboratory which shows them how plants convert sunlighht to food.
Curated OER
Physical and Chemical Reactions - Factors Which Affect Reaction Rate
A total of five experiments lead chemistry pros to understand the difference between physical and chemical change. They also experiment with exothermic reaction factors that affect rate of reaction. The procedures are not written in the...
American Chemical Society
A Catalyst and the Rate of Reaction
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...
It's About Time
Mass and Volume
Don't be so dense that light bends around you; study the relationship between mass and volume instead. Young chemists measure the density of a variety of liquids and solids. A reading passage and analysis questions introduce pupils to...
It's About Time
What Drives the Plates?
It's getting hot in here! Lead your emerging geoscientists on a thrilling journey as they calculate liquid densities to determine forces that stimulate thermal plates from within the earth's crust. They explore effects of temperature on...
Cornell University
Chemical Reactions
Investigate the Law of Conservation of Mass through a lab exploration. Individuals combine materials to initiate chemical reactions. They monitor for signs of reactions and measure the masses before and after the reactions for comparison.
Curated OER
Is It Safe to Go In? Water Quality of Bathing Areas in the EU
Using your senses, apprehend the effects of contaminants in water. With a global focus, young scientists conduct a safe experiment by tasting sugar and salt water with different dilutions. After reviewing threshold limits, learners write...
National Nanotechnology Infrastructure Network
Lab 2: Nanocatalysts Clean Your Car Emissions
Surface area certainly surfaces as a variable for chemical reaction rates. Scholars perform an experiment to discover how the size of catalysts affect the rate of a chemical reaction. They record their results in tables and graphs to...
Curated OER
Air Pollution: What's the Solution?
In this air pollution worksheet, students simulate acid rain falling on soil and determine the pH of the soil after spraying it with an acidic solution. They measure the pH of water sprayed with an acidic solution to represent the...
Science Matters
Peanut Energy
How do humans get energy since they aren't mechanical and can't photosynthesize? Learners explore this question by relating potential energy in food to human energy levels. Scholars measure the change in mass and a change in temperature...
LABScI
Cell Diffusion and Permeability: The See-Thru Egg Lab
Create a model to study a microscopic phenomenon. The seventh of 12 lessons uses an egg (without its shell) to represent a cell membrane. Using different solutions, learners explore the concept of cell diffusion. They monitor...
Polar Trec
Where is the World's Water?
Scholars discover the amount of the Earth's water in various locations such as the ocean, ice, the atmosphere, etc. They then make a model of the how much water those percentages represent. Finally, analysis questions bring the concepts...
Curated OER
Bringing The Greenhouse Effect Down To Earth (CO2 experiment)
Pupils compare 4 different form of carbon dioxide and discuss the role that carbon dioxide has in the Greenhouse Effect. They then understand that the Greenhouse Effect is a naturally occurring event.
Curated OER
Wonders of Weather
Fourth graders complete activities to study weather and the water cycle. In this water cycle lesson, 4th graders observe a demonstration of the three stages of water. Students work in groups to complete a water cycle lab activity....
Curated OER
Molarity Labs I & II $ III
In this molarity lab worksheet, learners write down the process they took to determine the molarity of a given sample of a solution of salt. They also make two particular molar solutions in the lab and show their calculations. They answer
Curated OER
Polymers Lab: Bouncy Ball and Slime
Eighth graders investigate chemical reactions to produce polymers. In this polymers lesson plan, 8th graders experiment with sodium silicate and ethyl alcohol to make a polymer. They also experiment with borax and glue to make a polymer....
Curated OER
The Role of Enzymes
Young scholars explore the role of enzymes in chemical reactions. In this enzymes lesson plan, students use hydrogen peroxide and manganese dioxide to observe a chemical reaction. Young scholars observe the rates of reactions of chalk,...
Curated OER
Understanding Kidney Disease
Students experiment to determine information about kidney function. In this kidney function lesson, students use the scientific method to experiment with eggs, water, salt, sugar, and vegetable oil to simulate kidney function. They...
Curated OER
Properties of Matter
Young scholars investigate the properties of matter. In this properties of matter lesson, students observe containers of different metals and discuss their properties including density. Young scholars find the density of an unknown metal...
Curated OER
What's the Matter? (Grades 6-7)
Students explain the physical properties of matter. They, in groups, perform a variety of experiments, each demonstrating a different property of matter. A very nice, hands-on lesson!
Curated OER
Dissolved Oxygen in an Aquatic Ecosystem
Students explain why dissolved oxygen is important in aquatic ecosystems. They evaluate the optimal dissolved oxygen levels for living organisms.
Curated OER
"Space" Exploration
Fourth graders identify the attribute of volume of an object. Units of measurement are reviewed and utilized in this lesson.
Curated OER
Thermodynamics
High schoolers investigate energy involved for bonds to form and break. In this thermodynamics lesson plan, students experiment with chemical reactions to observe endothermic and exothermic reactions, they explore entropy and the effects...
Curated OER
Measuring Calories in Food
Students measure the amount of calories in food. In this food energy lesson, students discuss what a calorie is, how our bodies use a calorie, and how many we need. Then, students use a calorimeter to calculate the amount of energy in a...