Santa Monica College
Mole Ratios and Reaction Stoichiometry
Stoichiometry sounds complicated, but it really means the study of the amount of substances involved in a reaction. The sixth lesson in an 11-part series has scholars use stoichiometry to find the theoretical yield of a reaction. Then,...
Curated OER
Biotechnology Laboratory Research
Learners participate in an extended laboratory research to experience how scientific information is obtained, upon which we build scientific knowledge and understanding.
Curated OER
Teaching the Scientific Method through Exploration of Bacteria and Antibiotics
Students explore scientific method and scientific investigation They conduct an investigation using bacteria and antibiotics. In addition, they verbalize their experimental results.
Curated OER
Changing Planet: Withering Plants - Stressing Over Lost Water
Expectant earth scientists examine the bottom side of a leaf and learn the role of the stomata. They consider the gas exchange that occurs through these structures and relate how the climate is changing to its impact on food crops. This...
Curated OER
Exploring Buoyancy
Students use materials found at a resource table to design simple devices that will house instruments to take water samples from a tub of water. They design 3 instruments, each varying in density so that one will float, one will hover...
Curated OER
Wildlife Study Comparison
Environmental science classes read articles about two different scientific studies. One is about the effects of contraceptive chemicals on fertility, and the other is about how a pesticide may be reducing bone density in exposed...
Cornell University
Radical Reactions
The radical reactions of polymers seems abstract to many pupils, but this activity turns them into a fun building game. Scholars use dice and building pieces to build polymers. Then, they determine the theoretical and experimental weight...
Curated OER
Space Flight Simulation
Learners engage in the study of flight with the help of a computer flight simulation. They take part in a variety of activities that imitate the Space Shuttle Endeavor. Students work as teams like the astronauts would to complete mission...
Curated OER
Analytical Problem Solving
Students explore about propagation of error in calculations using experimental data. They develop their weighing and pipetting techniques. Students explore the following terms: Standard deviation and relative standard deviatin. They...
Curated OER
Sea Water Mixing and Sinking
Learners investigate the role of temperature and salinity in determining seawater density. They use a Temperature-Salinity Diagram to examine the effects of mixing on density.
Curated OER
Greenhouse Gases
Although the worksheet for the lab activity is not included, this is an activating activity for your class to do when learning about the greenhouse effect. They lay three thermometers underneath a lamp: one out in the open, one under a...
Curated OER
Designer Colors, an Inquiry Approach to Flame Testing
Learners investigate the spectroscopic colors unique to elements, and to use this information to create a specific color. They follow a detailed schematic to produce a spectroscpoe to be used in the testing.
Curated OER
Chemistry 142 Exam 1
In this chemistry exam worksheet, students solve fifteen problems related to acids and bases, rates of reactions, and half life.
Royal Society of Chemistry
Apparatus Diagrams 4
Lab tools are cool! But, which one is the right tool for the job? Young scientists participate in a series of puzzles focused around some common lab equipment. Each puzzle requires learners to associate the tool with its image and a...
Curated OER
Earthquakes and Volcanoes
Even though volcanoes look alike, they can be very different based on the types of lava that erupts from their surface. Learn about strata volcanoes, shield volcanoes, and the varying viscosity of lava with an engaging hands-on...
Pingry School
Synthesis of an Insoluble Ionic Salt: A Stoichiometry Experiment
Challenge young scientists to design their own experimental procedures. They write the procedure for properly preparing two grams of a water-insoluble ionic salt. To finish, they perform the experiment and collect data to prove their...
Curated OER
Rate and Concentration
Experimental data for a chemical reaction is available in a table. Chemistry cohorts use critical thinking skills to analyze the data and answer questions about reaction rates and reaction order. This worksheet is neatly formatted,...
Chymist
Pressure-Volume Relationships: Experiments with 140-mL Syringe
Learners examine Boyle's Law by analyzing experimental results with a hands-on lesson that provides a set of four experiments that illustrate the relationship between pressure and volume of gases. Groups analyze results using...
Serendip
Homeostasis and Negative Feedback – Concepts and Breathing Experiments
More asthma attacks happen at higher altitudes, but why? Scholars complete worksheets, learning about homeostasis and feedback related to breathing. Then, they work in small groups to experiment with breathing in limited amounts of...
Curated OER
Magnet Circus
Students explore the properties of magnets by designing a device that can move as far as possible using only magnets to move it, and design a machine that will stay in motion for the greatest period of time.
Curated OER
Free Up the Ketchup!
Students, in teams, use given materials and their knowledge of Newton's First Law to create a device that will remove a sticky ping pong ball from a 16-oz. cup (which represents ketchup stuck in a bottle.)
Curated OER
Energy At Play
If you can find Tinker Toys™, then this may be a fun assignment for your physical science class. Using the construction set and a few other toys, they examine the forces involved when it they are being played with. For each, they...
National Nanotechnology Infrastructure Network
The Effects of Gold and Silver Nanoparticles on Brine Shrimp: A Toxicology Study
Who doesn't love gold and silver? Brine shrimp, that's who! Learners conduct an experimental lesson to monitor the toxicity of gold and silver nanoparticles on brine shrimp. They synthesize solutions to expose the brine shrimp to and...
Curated OER
Technology for Studying Comets
Students design an Aerogel model to capture clay particles. In this space science lesson, students discover what happens to comets as they hit a surface. They explain how the Aerogel technology would help scientists study comets better.