TryEngineering
Sugar Crystal Challenge
Be sure to use this sweet resource. Scholars perform an experiment using sugar to investigate how surface area relates to the coarseness of sugar. They consider how this concept connects to nanotechnology.
Curated OER
Diffusion across a Selectively Permeable Membrane
Lab groups fill a section of dialysis tubing with glucose and starch solutions and suspend it in a water bath. They use iodine as a starch indicator and a glucose test strip to find out if either of the materials crossed the selectively...
Curated OER
Investigating the Change
Sugar crystal growth is observed as an example of physical change and cabbage juice pH indicator is used to demonstrate chemical change. The crystal growth is tracked over five days. The cabbage juice experiment is involved and can also...
Teach Engineering
Flame Test: Red, Green, Blue, Violet?
Let the true colors shine through. Pupils conduct a flame test to identify an unknown element. Class members calculate and prepare specific molarity solutions of three chemicals. Using their observations of the colors emitted, they...
American Chemical Society
M&M's in Different Sugar Solutions
To conclude a mini unit on the dissolving of M&Ms® candy coating, this lesson investigates whether or not the concentration of sugar in the solvent affects the dissolving rate. Consider having older science learners write their own...
Curated OER
Rate of Solution Lab
In this rate of solution worksheet, high schoolers determine how quickly a solute dissolves in a solvent by testing one independent variable such as temperature, particle size or the amount of stirring. Students design their experiments...
Curated OER
Hunting for Aqueous Solutions
In this aqueous solutions learning exercise, students will conduct an experiment to determine the solubility of different common kitchen items. Students then complete 3 short answer questions.
Curated OER
How Strong is the Solution
Students investigate the strength of solutions. For this scientific inquiry lesson plan, students examine various solutions of food color and water as they discover the concentration of the solutions by adding bleach to clear the color.
Curated OER
2008 U.S. National Chemistry Olympiad Part III
In this chemistry olympiad lab worksheet, chemists are required to design two experiments. In one, they design an experiment to identify seven solutions given to them in pipettes. In the other, they design an experiment to determine the...
Curated OER
Investigating Osmosis
A thorough investigation of cell transport is provided when completing the assignment. The first half requires biology class members to answer questions about diffusion and osmosis with the aid of diagrams. Then they fashion an...
Echoes & Reflections
The "Final Solution"
Nazi policies shifted from deportation and imprisonment to extermination of the Jewish people in death camps in the "Final Solution." Learners examine photos of artifacts, read poetry written by survivors, analyze testimony from...
Curated OER
Lab Experiments in Nutrition
Looking for authentic hands-on nutritional experiments? High schoolers will perform experiments to test for the presence of vitamin C in several solutions as well as the effect of caffeine on Daphnia. They will also consider the...
Curated OER
Eggs'ceptional Experiments
Students see evidence of chemical reaction and follow the scientific method to hypothesize, observe, and reach conclusions. They conduct a series of egg based experiments such as forming crystals and complete journal activities as a...
Curated OER
2000 U.S. National Chemistry Olympiad Local Section Exam
This 60-question comprehensive exam was designed to determine who would go on to compete in the 2000 US National Chemistry Olympiad. Hopefuls answer multiple choice questions regarding all chemistry topics taught in the first year...
Baylor College
What Dissolves in Water?
One of water's claims to fame is as the universal solvent. Young physical scientists experiment to discover which materials dissolve in this special compound. You could never be more prepared for teaching this lesson plan than by using...
EngageNY
Chance Experiments, Sample Spaces, and Events
Want a leg up on the competition? Show classes how to use mathematics to their advantage when playing games. Learners calculate probabilities to determine a reasonable scoring strategy for a game.
EngageNY
Chance Experiments with Outcomes That Are Not Equally Likely
The fifth portion of the 25-part series introduces probabilities calculated from outcomes that are not equally likely. Class members use tables to calculate probabilities of events, add outcome's probabilities, and find complements....
Curated OER
Does 1 + 1 always = 2
What a great way to explore the scientific process! Learners conduct an experiment in which they use sugar and water to illustrate the concept of solutes and solvents. With this hands on approach, they are bound to remember what they...
Curated OER
All Mixed Up!
What happens when solids are added to liquids? After reading an informative paragraph about solutions, learners answer six true/false questions regarding solutions, and what substances will dissolve into liquids they are mixed with. A...
Curated OER
Semipermeable Membranes and Bioaccumulation
Beginning biologists place a drop of food coloring into water of differing temperatures to observe the effect on the diffusion rate. They remove the shells from raw eggs and then experiment with osmosis over the remaining membranes....
It's About Time
More Chemical Changes
Generate entertainment by assisting students in creating multiple chemical changes during the course of small experiments integrated into one packed lesson. Individuals observe examples of chemical changes as they occur and gather data...
Illustrative Mathematics
Listing Fractions in Increasing Size
Increase the depth of your class's fractional number sense with this number-ordering activity. Given four fractions, each with different numerators and denominators, young learners are asked to place them in order from smallest to...
Community Resources for Science
A Whole New World of DNA and Proteins
Lead your young scientists into an exciting world as they participate in a role play and experiment focused on proteins and DNA. After researching the Central Dogma of Biology, individuals or groups participate in a classroom slide...
Curated OER
# 14 Experimenting with Copper (II) Solutions
Students determine that the relative concentration of copper ions in water can be determined by a color comparison. They make a copper (II) sulfate solution of a given concentration. Students dilute their initial solutions until their...