Curated OER
Reactions in Aqueous Solutions
In this solutions instructional activity, students calculate the molarity and solubility for given reactions. Students work on dilution, precipitation, and titration reactions. This instructional activity has 15 problems to solve.
K20 LEARN
Chicken Truck: Writing Algebraic Expressions
How did the chicken travel down the road? Given a picture of a chicken truck, class members brainstorm what information they need to determine the total number of chickens on the truck. Pupils research for the information and devise a...
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Soap, Wood, and Water
Students measure the properties of two different types of soap and wood and calculate their densities. Then they predict whether or not whether or not each object would float or sink in fresh or salt water.
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Wind Tunnel Aerodynamics Problem Set
Students, after reading an explanation from a NASA Web-based textbook, demonstrate an understanding of the text by applying it to the calculation of area, velocity, and pressure in a wind tunnel.
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Helium Balloon Race
Students determine the force of a helium balloon that allows it to rise a specific distance. For this helium lesson students calculate the amount of paper needed to construct a weight and determine the density of a piece of paper.
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Compound Measures
In this compound measures worksheet, students solve and complete 3 different types of problems. First, they determine how far it takes a person to cycle in a given amount of time. Then, students find the average speed of described...
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Atmospheric Shielding from Radiation I
In this radiation worksheet, students calculate the distance of a satellite in orbit to determine the placement of a radiation detection device. This worksheet has 2 problems to solve.
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Elements
In this elements worksheet, students give the symbol for given elements. Students determine the number of protons, electrons, and neutrons for atoms. This worksheet has 9 fill in the blank and 5 problems to solve.
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Calorimetry
In this calorimetry activity, learners determine the specific heat of an unknown liquid. Students calculate the change in enthalpy for given reactions. This activity has 20 problems to solve.
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Percent Deviation Rocks and Minerals
In this rocks and minerals instructional activity, students calculate the percent deviation from various mass measurements taken of rocks or minerals. This instructional activity has 10 problems to solve.
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The Apollo-11 Landing Area at High-Resolution
In this moon crater worksheet, students use images of craters taken from the Lunar Reconnaissance Orbiter to determine the size of the craters. This worksheet has 6 problems to solve.
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Solid Rocket Boosters
For this rocket worksheet, students calculate the burn rate for solid rocket boosters depending on exposed fuel area and burn depth. This worksheet has 2 problems to solve.
Power to Learn
How Much Space Do We Have?
Census-takers view the Internet to find the total population of a city and its total land area. They work with different mathematical scenarios that involve populations and land area in their city. They complete math problems and unit...
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High School Chemistry Questions
In this chemistry learning exercise, students determine the number of water molecules is a given volume of water. Students determine the empirical formula for given compounds from the percentage mass of elements. This learning exercise...
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Physical Equilibrium
In this physical equilibrium worksheet, students compare polar and non-polar compounds and the solubility of specific solutes in solvents. Students calculate molar heat, molar solubility, and molality for specific reactions. This...
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Chemical Equilibria
In this chemical equilibria learning exercise, students write equilibrium expressions for chemical reactions and calculate the value of the equilibrium constant. This learning exercise has 8 problems to solve.
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A Little Thermo Review
In this thermodynamics worksheet, students define and give examples of state functions. Students review the laws of thermodynamics. Student determine the standard formation reactions for given chemical species. This worksheet has 10...
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Thermodynamics
In this thermodynamics worksheet, students calculate the enthalpy change and free energy change for given reactions. students describe what happens to the entropy of a system and describe how its enthalpy changes. This worksheet has 20...
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Solutions
In this solutions learning exercise, students calculate molality and mole fraction. Students define colligative property and determine what affects the solubility of gas in solvents. This learning exercise has 2 short answer questions...
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Designing a Flotation Strategy for the Purification of Recycling
Twelfth graders work in teams to design a method of recycled plastics purification by flotation. They base their design on the concept that different kinds of plastics have different densities and keep overall costs and purification time...
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Acid and Bases - Alien II
Eighth graders determine which of two solutions is more acidic by adding each to a given base. Students have to apply this analysis process to a problem scenario involving an alien creature.
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Atmospheric Shielding from Radiation II
In this radiation worksheet, students calculate the total shielding along several specific directions defined by the angles. This worksheet has 3 problems to solve.
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Atmospheric Shielding from Radiation III
In this radiation activity, students compare the efficiency of planetary atmospheres to shielding from radiation. This activity has 2 problems to solve.
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Cubic Volume
Fifth graders record measurements and calculate the volume. They select and use appropriate units and procedures to measure volume # use tools such as technology to solve problems