Curated OER
Density Worksheet
In this chemistry worksheet, students identify and describe that density is the ratio of the mass of the substance to the volume of the substance at a given temperature. They also respond to various questions that refer to density in...
Curated OER
Mole Conversions
In this compounds worksheet, students determine the number of molecules in molar mass for given amounts of different compounds. This worksheet has 5 problems to solve.
Curated OER
Quiz 1-Problem Solving and Naming Compounds
In this problem solving worksheet, learners are given five problems including calculating volume given the dimensions of a pool, determining the number of subatomic particles in an atom, filling in a table with chemical names and...
Curated OER
Chemical Reactions
In this chemical reactions worksheet, students calculate the molar mass and the rate of reaction for the given chemical reactions. This worksheet has 3 problems to solve.
Curated OER
Redox Titration Problems Involving Manganate
In this titration instructional activity, students determine the number of moles of an ion present in given solutions. Students calculate the relative formula mass and the concentrations of ions for solutions. This instructional activity...
Curated OER
Metric Meals
Sixth graders investigate metric measurements. In this metric measurement lesson, 6th graders explore mass, capacity, and length. Students examine graduated cylinders and balance scales to obtain measurements. Resources are provided.
Curated OER
An Introduction to Chemistry
In this chemistry worksheet, students solve 47 problems involving measurement conversions from one unit to another. They explain how values should be reported from measurements.
Curated OER
Measuring for Chemistry: Moles, Compounds, and Conversions
Through a station rotation activity, scientists complete 9 chemistry activities to complete this interactive worksheet. Concepts include molar masses, percent composition, accuracy vs. precision, mass of an object, scientific notation,...
Curated OER
Lab-Percent of Composition of KClO3
High schoolers find the percent composition of oxygen in potassium chlorate. In this percent composition lesson plan, students heat a sample of potassium chlorate to decompose it into potassium chloride and oxygen. They weight their...
PBS
Master of the Airwaves: How FDR Used Radio to Ease the Public’s Fears
The political and economic climate during the 1930's was uncertain and tumultuous. But Americans' minds and hearts were eased with the reassuring words of their president, Franklin D. Roosevelt, and addresses over the radio. High...
Curated OER
Weighing and Determining the Average Density of the Earth
Some background information about density and Newton's Laws of gravitation and motion assist pupils in the following experiment. The procedure will help them further their understanding of gravity, pendulums, and a drop-ball experiment....
Curated OER
Measuring Solar Energy
Students study solar energy and how to measure it. For this energy sources lesson students complete a lab, obtain data and use that to convert surface temperature to energy.
Curated OER
Nuclear Decay
In this nuclear decay worksheet, students read about alpha and beta decay and the isotopes formed by the reactions. Students solve nine problems including writing the equations for the decay of radioactive isotopes, identifying the...
Curated OER
Ideal Gas Law
In this gas law instructional activity, students review the Idea Gas Law equation and practice applying the equation to chemical reactions. Students write the balanced reaction, determine the limiting reagent, moles produced, and volume...
Consortium for Ocean Science Exploration and Engagement (COSEE)
Ocean Acidification: Whats and Hows
Open this lesson by demonstrating the production of acidic carbon dioxide gas by activated yeast. Emerging ecologists then experiment with seashells to discover the effect of ocean acidification on shelled marine organisms. They measure...
Physics Classroom
From a Feather to an Elephant
It is always a rush to drop objects from great heights, and with this physics experiment, class members will not be disappointed! They drop a single coffee filter from a balcony or table top, record the time it takes to reach the ground,...
Science Geek
Percent Composition, Empirical and Molecular Formulas
Help your pupils understand when empirical becomes molecular. The lesson presentation demonstrates the connection between empirical formulas and molecular formulas. Then, given percent composition, the lesson demonstrates the steps to...
Illustrative Mathematics
Ants Versus Humans
You would think that humans make up more mass than ants do on this planet, but think again, and this time by performing calculations. Middle schoolers use scientific notation to compute and compare the estimated total mass of all humans...
Curated OER
Force Problems
Who knew F=MA could determine the force of a free-falling elevator? Give your class this set of thirteen word problems for practice determining force, mass, and acceleration of everyday objects. One question introduces an object in a...
Curated OER
Unit V: Worksheet 1 - Constant Force
In a force diagram, a stick figure man in an elevator takes a ride. Physics analysts work out the force exerted on him by the elevator floor. As the acceleration changes, they draw new force diagrams and compute new force values. This...
Curated OER
Unit VII: Worksheet 4 - Energy
Energize your physics class with this energy exercise! Physics learners solve seven problems in which they calculate speed, velocity, or energy values for a variety of situations. This is a suitable homework assignment for high school...
Physics Classroom
All Work and No Play Lab
Don't let the term, "slotted wood board" detract you from the value of this experiment. Class members tie a string to a cart and, with even horizontal force, drag it up an inclined plane. The objective is to compare the work done with...
Virginia Department of Education
Work and Power
Assist your class with correctly calculating the values for force, work, and power as they determine the amount various activities require. They gather data and participate in a group discussion to compare results upon conclusion of the...
Statistics Education Web
Double Stuffed?
True or false — Double Stuf Oreos always contain twice as much cream as regular Oreos. Scholars first measure the masses of the filling in regular Oreos and Double Stuf Oreos to generate a class set of data. They use hypothesis testing...