Curated OER
Instantaneous Reaction Rate
In this instantaneous reaction rate worksheet, students draw an energy diagram for a given reaction, they determine the rate law for a reaction, they determine a rate constant for a reaction and they determine the reaction rate for a...
Curated OER
Equilibrium Review Sheet
In this equilibrium worksheet, students answer 5 questions about reactions reaching equilibrium, the concentration of the products and reactants when they reach equilibrium, and the effects of temperature changes, quantities of reactants...
Curated OER
Multiple Decimal Constants
In this math worksheet, students practice using the constant feature of the
calculator by performing an operation several times with the same
decimal value but starting with different values.
Curated OER
Multiple Integer Constants
In this math worksheet, students practice using the constant feature of the calculator by performing an operation several times with the same integer value but starting with different values.
Curated OER
Single Integer Constants
In this math worksheet, students solve the problems using the single integer constants by practicing on the calculator. The sheet is a teacher's guide.
Curated OER
Equilibrium Calculations
The equilibrium constant does not change — as long as the temperature remains unchanged. Here's presentation that briefly reviews equilibrium constants before working through four practice problems, including three calculating the Keq...
EngageNY
Linear Functions and Proportionality
Connect linear equations, proportionality, and constant rates of change to linear functions. Young mathematicians learn how linear equations of the form y = mx + b can represent linear functions. They then explore examples of linear...
National Institute of Open Schooling
Chemical Kinetics
Not all chemical reactions happen at the same rate because some, like explosions, occur quickly and some, like rusting, occur over time. Here, learners explore chemical reactions and their rates in the 16th lesson of 36. Through readings...
Balanced Assessment
A Run for Two
Develop a graph to represent the distance between two cars. The assessment task presents a scenario in which two cars are traveling at constant speeds with one faster than the other. Pupils develop graphical representations to show the...
Curated OER
Comparing Distance/Time Graphs to Speed/Time Graphs
In this graphing the motion of objects worksheet, learners compare graphs of distance vs. time and speed vs. time of objects moving at constant speed, accelerating, slowing down, and stopped. Students identify the movement of a car given...
Curated OER
Equilibrium Supplementary Worksheet
In this equilibrium worksheet, learners calculate the equilibrium constant and concentration to answer 13 problems. They predict the shift of the reaction when certain species are added.
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...
Curated OER
2002 U.S. National Chemistry Olympiad National Exam - Part I
As to be expected from the American Chemical Society Olympiad Examinations Task Force, this 60-question test tops the charts in terms of excellence. It consists entirely of multiple choice questions designed to assess a year's worth of...
Curated OER
Equilibrium Constant
In this reactions worksheet, students write the equilibrium expressions for the given unbalance equations. This worksheet has 6 problems to solve.
Curated OER
Spectrophotometric Determination of an Equilibrium Constant
Learners determine the equilibrium constant for a chemical system and use graphing techniques and data analysis to evaluate experimental data.
Curated OER
Determining A Spring Constant
Young scholars determine a spring constant and extrapolate information from a graph. In this spring instructional activity students divide into groups and complete a lab activity.
Curated OER
Proportionality, Ratios and Constant Variation
Students use Scion Image to estimate the proportion of space images. In this proportion lesson, students investigate the online site of Image of the Orbitor and relate the dimensions and sizes to known sizes.
Curated OER
You Really "Affect" Me
Middle schoolers examine the effects of variables. They view a video which introduces the concepts, take part in an internet-based activity, then engage in a hands-on activity which allows them to practice what they have been studying.
Illustrative Mathematics
Logistic Growth Model, Abstract Version
Here learners get to flex some serious algebraic muscles through an investigation of logistic growth. The properties of the constant terms in the logistic growth formula are unraveled in a short but content-dense activity. Moving...
EngageNY
A Critical Look at Proportional Relationships
Use proportions to determine the travel distance in a given amount of time. The 10th installment in a series of 33 uses tables and descriptions to determine a person's constant speed. Using the constant speed, pupils write a linear...
Teach Engineering
Airplane Tails and Wings: Are You in Control?
Keep everything under control. The lesson, the 16th segment in a 22-part unit, provides a more detailed look at the parts of a plane, specifically the control surfaces. Pupils learn about the construction of the wings and the tails and...
Illustrative Mathematics
Walk-a-thon 1
Your mathematician's job is to explore the relationship between hours and miles walked during a walk-a-thon. The activity compels your learners to experiment with different means in finding out this proportional relationship. The answer...
Corbett Maths
Direct Proportion
Direct change by finding the constant. Using two known values within a direct proportion, the resource shows how to find the constant of proportionality. Once individuals do that, they then find any value given the other. The video works...
CK-12 Foundation
Graphs of Linear Model of Direct Variation: On the Moon
You'll be over the moon about this resource. Scholars draw a line representing the weight of an object on the moon based on its mass. Consideration of the constant of proportionality allows them to see relationships between weight of an...
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