Curated OER
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...
Curated OER
Solutions
In this solutions worksheet, students calculate molality and mole fraction. Students define colligative property and determine what affects the solubility of gas in solvents. This worksheet has 2 short answer questions and 9 problems to...
Curated OER
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...
Curated OER
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.
Curated OER
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.
Curated OER
Atmospheric Shielding from Radiation III
In this radiation worksheet, students compare the efficiency of planetary atmospheres to shielding from radiation. This worksheet has 2 problems to solve.
Curated OER
Igneous Rocks
In this rocks activity, students review the different types and characteristics of igneous rocks. This activity has 2 fill in the blank, 14 short answer questions, and 1 problem to solve.
Curated OER
Working with Solutions
In this solutions worksheet, students review how molarity is calculated and how to prepare a dilute solution. This worksheet has 5 problems to solve.
Curated OER
LCROSS 'Sees" Water on the Moon!
In this moon activity, students calculate information about the crater that was created by a massive impact. This activity has 3 problems to solve.
Curated OER
The Drag of Drag
Students are introduced to drag. Then they summarize drag by saying that the drag is proportional to the square of the velocity. Students then solve problems an example of such a problem: Explain why swimming underwater is faster than...
Curated OER
Types of Reactions
In this reactions learning exercise, students describe combustion as either exothermal or endothermal. Students balance reactions and label the types of reactions. This learning exercise has 1 multiple choice, 2 short answer, and 10...
Curated OER
Estimation Task
Upper graders practice their estimation skills by observing different objects then making their best guess without using measuring instruments. Students are asked to estimate mass, length, volume, and area.
Discovery Education
Sonar & Echolocation
A well-designed, comprehensive, and attractive slide show supports direct instruction on how sonar and echolocation work. Contained within the slides are links to interactive websites and instructions for using apps on a mobile device to...
Curated OER
Wetland Transects
Young scholars lay out transect lines beside a local stream or river. There they record species of plants and insects living around the stream. By doing so, students explore how to use transect sampling techniques, use a variety of...
Curated OER
Real-World Projects: Challenges from the Polymer Industry
Two scenarios are presented for chemistry detectives to decipher. Both require the use of an infrared spectrometer and focus on the examination of polymer materials. In the first, lumps in polyethylene bottles are analyzed. In the...
Teach Engineering
The Grand Challenge: Fix the Hip Challenge
It may be time to get to know the skeletons in your family. The first lesson in a series of 5, introduces the class to the concept of osteoporosis. The class members brainstorm possible causes and whether the family should be concerned...
Curated OER
Conversion Factors
In this conversion factors worksheet, students convert 15 measurements from one unit in the SI system of measurement to another unit. Students show their work and indicate the unit of measurement. Conversion factors are given.
Curated OER
WebQuest Solar System Colonization Project 2000
Sixth graders investigate the livability of different planets in the universe by researching and organizing information from a number of sources in this unit project. They decide on a location for a space station which they support in an...
PHET
CME Plotting
Young scientists build on their previous knowledge and apply it to coronal mass ejections. By plotting the path of two different coronal mass ejections, they develop an understanding of why most don't collide with Earth.
Cornell University
Investigating and Modeling Hardness
Model hardness testing with a self-designed hardness test. Young scholars rate the hardness of different types of aspirin using the Vicker's Hardness scale. They then relate hardness to the solubility of each aspirin tablet.
Curated OER
Rate of Solution
Eighth graders determine the amount of agitation necessary to dissolve various sized sugar particles. This task assess students' abilities to collect, organize, and interpret data, create appropriate graphs, predict future events based...
Curated OER
Starch and Sugar Testing 1
Eighth graders determine the presence of starch and sugar in unknown solutions. This task assesses students' abilities to observe, record and interpret data, classify, generalize/infer, construct data tables, and identify sugar and...
Curated OER
Paper Chromatography
Learners use this design the illustrate how ink can be separated into its component chemicals using paper chromatography. They use five unknown samples of ink on pre-labeled chromatography strips are provided to students. Learners use...
Curated OER
Paper Chromatography
Small groups of young scholars perform paper chromatography to separate food dyes into their component colors. Students perform the experiment and collect, organize, and represent their data to form an explanation of their outcomes....