LABScI
Photosynthesis: How Do Plants Get Energy?
Examine the mechanism of photosynthesis through different light scenarios. Pupils vary the amount and type of light exposure on plant leaves in the fifth lesson plan in a 12-part series. Through observation, they determine the rate of...
Pingry School
Replacement of Hydrogen by a Metal
As the most abundant element on the earth, hydrogen requires no replacement. Yet scholars learn to replace hydrogen with a metal to liberate the hydrogen gas. A simple procedure and data table include the necessary information and...
Curated OER
Chemistry in Action
In this chemistry in action worksheet, students read about sulphuric acid, the use of metals, the production of titanium and the detection of chemical elements and compounds. Students are given 8 statements about what they should...
Curated OER
Fuel Mystery Dis-Solved
Learners describe how temperature and surface area exposure affect the rate at which fuel is consumed. They explain why engineers want to know about the properties of a fuel when designing rockets. They create a bar graph of result data.
Biology Junction
Photosynthesis: Energy and Life
All life requires energy ... and the connection between energy and plant life typically requires photosynthesis. Scholars explore photosynthesis in depth from ATP/ADP through the Calvin cycle. A helpful presentation highlights concepts...
Curated OER
Water-holding Capacity of Earth Materials
Students design and conduct an experiment to test their ideas about how to speed up or slow down the rate of an enzyme-catalyzed reaction. They have access to an array of physical and chemical factors that might influence enzyme...
Cornell University
Math Is Malleable?
Learn about polymers while playing with shrinky dinks. Young scholars create a shrinky dink design, bake it, and then record the area, volume, and thickness over time. They model the data using a graph and highlight the key features of...
Curated OER
Got Gas? How Much?
Learners perform an experiment that measures respiration. For this performing an experiment that measures respiration lesson, students discuss aerobic and anaerobic respiration. Learners measure the gas produced by putting...
Curated OER
Antacid Tablet Race
Students complete experiments to determine how rocket fuel is affected by surface area and temperature. They compare the reaction rates of antacid tablets. They discuss their results to complete the lesson.
Curated OER
Creating an Enzyme-Substrate Model
Students explore the reaction rates of an enzyme-mediated reaction through experimentation. In small groups, they use everyday objects to demonstrate the effects of environmental variables on enzyme function.
Students graph and...
Curated OER
Batteries
In this battery worksheet, students answer 14 questions about primary cell batteries, secondary cell batteries, and how batteries are charged. They calculate the rates of discharge for given batteries.
Curated OER
The Breathtaking Nature of the Urban Explosion, Part 4
Students explore the respiratory system. They use a computer to monitor the respiratory rate of an individual. They determine residual oxygen levels in exhaled air. Students evaluate how internal 02 and C02 concentrations influence...
Cornell University
Atomic Bonding
Explore the connection of surface area to bonding within atoms. Learners complete lab investigations to model changing surface area with different sizes and concentrations of atoms. A flour fireball demonstration follows the labs to...
National Nanotechnology Infrastructure Network
Synthesis and Characterization of CdSe Quantum Dots
Does the size of a sample change the physical properties of that substance? It turns out it can! Young scientists combine physics and chemistry to synthesize CdSe quantum dots and record their color properties. Learners should...
Curated OER
Antacid Tablet Race
Young scholars compare the reaction rates of effervescent antacid tablets under different conditions. They investigate methods of increasing the power of rocket fuels by manipulating surface area and temperature.
Curated OER
The Ins and Outs of Equilibrium
In this equilibrium worksheet, learners read about phase equilibrium and dynamic equilibrium. They answer nine questions based on their reading and their background in chemistry.
Curated OER
The Nervous System
Young scholars investigate the nervous system. In this anatomy lesson, students identify and define vocabulary related to the nervous system. Young scholars role play the parts of a nervous system and perform an experiment...
College Board
2016 AP® Chemistry Free-Response Questions
The College Board published the mean score on the 2016 AP Chemistry exam as a 2.69, but a minimum of a three is required to earn college credit. Help pupils study for the upcoming exam with actual test questions, sample answers, and...
Curated OER
An Enzyme- Substrate Model
Students explore reaction rates of an enzyme-mediated reaction. They examine the effects of environmental variables on enzyme function. Students collect, graph, and analyze data relating to the reaction.
Curated OER
Soil Formation
In this soil formation instructional activity, students will review examples of chemical weathering and biological weathering. Students will also review the different soil layers and how they are created. This instructional activity has...
Curated OER
Chemistry 112: Form A-
In this chemistry 112 worksheet, students use their knowledge of chemistry concepts to answer the multiple choice questions provided. Students calculate the answers using the appropriate formulas.
Curated OER
Enzyme Lab
Young scholars examine the effects of specific enzymes on samples of liver tissue, muscle tissue (chicken), apples, and potatoes.
Curated OER
Water Quality
In this water worksheet, students determine the factors that effect the solubility of gases, calculate the percent concentration of solutions, and give the balanced chemical equation for photosynthesis. This worksheet has 18 short answer...
Curated OER
Revised “Understanding Nutrition” Activity
Students evaluate their current food choices. In this health science lesson, students test different drinks to rate the amount of Vitamin C content. They discuss results in class.