Curated OER
Chapter 10: Chemical Calculations and Chemical Equations
In this chemical equations worksheet, students write and balance chemical reactions. They complete 98 short answer and problem solving questions on molarity and chemical equations.
Curated OER
The Gear Game
Students discuss that the conservatin of energy states that the energy imput must equal the energy output. They then figure out how can a machine help you to perform task otherwise considered impossible? Students discuss the six simple...
Curated OER
Chemistry: Balancing Chemical Equations
Eighth graders practice balancing chemical equations. In this chemistry lesson, 8th graders explain why it is necessary to balance equations. They complete practice worksheets individually.
Teach Engineering
Quantifying Refraction
Class members discover how mathematics can quantify the behavior of light waves with the fourth installment of a seven-part series that teaches future engineers about equations related to refraction, including the equation to...
Curated OER
Get a Half-Life Student Worksheet
Young scientists use a worksheet to help them perform a lab on the decay of a radioactive element. The worksheet serves as both a task guide and a lab sheet for pairs of learners. This activity requires a calculator and has excellent...
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
Let's Play Some Ball!
Pupils review horizontal and vertical shifts of a parabola and how they effect a specific quadratic formula. They play a basketball review game in which they try to find the right quadratic equation for a given problem in order to earn...
Curated OER
Ocean Botttom Profile
Students interpret a graph of ocean depths and topographic features.  This task assesses students' abilities to interpret figures, organize and represent data, apply knowledge of scale to a profile, and apply theoretical knowledge.
Curated OER
Snell's Law
Students determine whether the index of refraction of sample of Corn Syrup meets Federal standards.  This task assess students' abilities to explain the procedures for investigation, plan for recording and organizing observations and...
Teach Engineering
Penny Perfect Properties (Solid-Liquid Interations)
I can get more water to stay on a penny than you can! Collaborative pairs determine the volume of liquids that can be contained on the surface of copper pennies and plastic coins. The pairs analyze their results using graphs and go on to...
Curated OER
Seesaw Balances
Students determine how the weights of 7 objects on a seesaw can vary and still be in balance. They also write equations in algebraic terms, how to change 3 variables in an equation expressed in algebraic terms to obtain the correct...
Curated OER
Don’t be a Stoic about Stoichiometry
Young scholars review balancing chemical equations. In this chemistry lesson, students calculate moles of an unknown substance based on stoichiometric relationships in the balanced equation. They cite applications of stoichiometry...
Curated OER
Where My Peeps At?
Students conduct a series of activity that demonstrates Charles' and Boyle's Law. In this chemistry lesson, students determine the relationship among pressure, volume and temperature. They solve problems using mathematical equation.
Curated OER
Demonstrate Your Chemistry
Students research and evaluate chemical reaction demonstrations that are found on the web.  they work in small groups to choose a demonstration that fits a particular category of reaction and then perform the demonstration for the class.
Curated OER
Swings
Students investigate variables which may seem to affect the movement of a pendulum, or "swing."They interpret their observations and apply the scientific principles to develop explanations and solve a new problem.
Curated OER
Rate of Cooling Experiment
Ninth graders measure the insulation properties of different fabrics by immersing cans of water covered with fabric "socks" in an ice bath and measuring temperature changes. They then calculate heat loss and graph the data individually.
Teach Engineering
When Silicon Talks
Explore Snell's Law using thin films. In the fifth installment of a seven-part series, pupils solve a set of problems relating to Snell's Law and use this skill during an experiment requiring the collection of reflective measurements...
Curated OER
Rate of Solvation
Students test factors that may affect the rate at which sugar dissolve in water.  They conduct two studies: One is to test the effect of temperature on the rate of solvation and the other is to test a factor which Students come up with...
Carnegie Mellon University
Home Energy Audit
Youngsters make a mental assessment of electricity-consuming appliances in their homes and then evaluate them for the amount of energy consumed. They learn how to use power meters and measure the electrical consumption of several...
Curated OER
Resistance in a Wire
Students find the constant of proportionality and apply it to a situation. They use the electrical resistance in a wire as a context for finding the constant of proportionality. In addition, they write an explanation and justification of...
Curated OER
Walking Home II
Students explore the relationship between distance and time. They analyze a situation involving distance traveled in a given period of time, represent the situation graphically and algebraically, and discuss the concept of slope as a...
Curated OER
Acid/Base Equilibrium Problems
For this acid and base equilibrium worksheet, students calculate the pH of given acid and base problems using different starting materials. They are given information and hints as to how to work with acid/base equilibrium problems.
Curated OER
Acid/Base Equilibrium Problems
In this acid and base equilibrium worksheet, students calculate the pH of various types of acids and bases. They are given directions and review information as to how to complete these problems.
Curated OER
Photosynthesis and Respiration
Eighth graders differentiate photosynthesis and respiration. In this biology instructional activity, 8th graders draw a diagram explaining these two processes. They answer a quiz after the instructional activity.