Curated OER
Fun With Chemical Changes
Looking for a terrific chemistry lesson for your 5th graders? This one could be for you! After a teacher-led demonstration, learners are broken up into groups and perform an experiment using cabbage juice, water, window cleaner, and...
Curated OER
Eggs'ceptional Experiments
Students see evidence of chemical reaction and follow the scientific method to hypothesize, observe, and reach conclusions. They conduct a series of egg based experiments such as forming crystals and complete journal activities as a...
Curated OER
Playing With Science
Young scientists investigate the scientific concepts and principles that help make common toys such as hula hoops, yo-yos, slinkies, and silly putty work. As a class, they read "Backyard Rocket Science, Served Wet" to get a look behind...
Curated OER
Regents High School Examination PHYSICAL SETTING CHEMISTRY 2004
In this chemistry worksheet, learners answer 50 multiple choice questions. They solve and write short answer questions to 35 other chemistry related problems.
Curated OER
Regents High School Examination PHYSICAL SETTING CHEMISTRY 2009
In this chemistry worksheet, students answer 50 multiple choice questions and 31 other questions that require them to solve, calculate and write short answers.
Curated OER
Regents High School Examination PHYSICAL SETTING CHEMISTRY 2003
In this chemistry worksheet, young scholars answer 74 multiple choice, short answer and problem solving on various chemistry concepts.
Curated OER
Regents High School Examination PHYSICAL SETTING CHEMISTRY 2006
In this chemistry worksheet, students answer 50 multiple choice questions and 31 short answer questions to prepare for Regents Chemistry Exam.
Curated OER
How Many Rocks Does it Take to Make a Light Bulb?
A really good worksheet on the periodic table of the elements is here for you. Learners must color in the elements listed in the worksheet that are needed to make a light bulb. They then answer questions about each of the elements.
Curated OER
Hand Lotion Analysis
Students prepare a sample of a commercial hand lotion for analysis by HPLC to determine the percent composition of two common cosmetic preservatives, methylparaben and propylparaben. They perform the analysis and the data is evaluated to...
Curated OER
The Great Cafeteria Caper
Students extract DNA from their own hair roots. They run an electrophoresis gel to examine patterns of their DNA along with standard DNA. The experiment is based on a crime scene scenario.
Curated OER
Glass Transition in a Rubber Ball
Students illustrate the changes in the properties of a material at its glass transition point. They gather data which they use to construct graphs regarding elastic modules versus absorption modulus, tangent delta, and the effect of...
Curated OER
Chromatographic Separation of Methylene Blue and Sodium Fluorescein
Students determine the best solvent system for separating a methylene blue/sodium fluorescein mixture by thin layer chromatography. They conduct an initial TLC separation using ethanol and a different solvent mixture and analyze the data...
Curated OER
Investigating the Effect Of Successive Heat and Cool Cycles on a Thermoplastic material.
Students investigate hot melt glue using a hot melt glue gun as an an injection molding simulator and a melt index viscometer. They evaluate the effect of heating and cooling by weighing the glue extruded over a constant time period.
Curated OER
How to Clean Up an Oil Slick
Young scholars explore how an oil spill is contained and cleaned up. They investigate an oil absorbing polymer that is hydrophobic, absorbs up to 19 times its own weight in nonpolar liquids, floats on water, and can be reused or disposed...
Curated OER
Degradation and Weathering of Polymeric Materials
Students investigate issues of degradation and weathering of polymeric materials during their useful life. They evaluate photodegradable plastics and their viability as an environmental solution for litter and investigate the qualitative...
Curated OER
Chemistry Study Room
In this chemistry worksheet, students are offered a variety of assistance to help them be successful in organic chemistry. They will have access to the library, missed class notes and computer interactive programs to help them with...
Curated OER
Atomic Properties of The Elements
In this chemistry worksheet, learners examine the periodic table and how it is used in the context of interpreting compounds and their structure.
Curated OER
Periodic Table of Elements
In this science worksheet, students examine the graph with elements in order to differentiate atomic mass and categorizing the content.
Curated OER
Science Lesson for Grade 12
Twelfth graders perform dihybrid crosses and calculate phenotype and genotype ratios. In this series of science lessons, 12th graders explain the process of anodizing aluminum. They research on the benefits and harm caused by resonance...
US Department of Energy
Thermal Expansion of Water: Rise of Sea Level
New ReviewUsing bunsen burners, Erlenmeyer flasks, thermometers, hollow glass tubes, stoppers, and rulers, learners experiment with and measure how water expands when heated. The activity connects the expansion of water when heated to global...
University of Colorado
Patterns and Fingerprints
Human fingerprint patterns are the result of layers of skin growing at different paces, thus causing the layers to pull on each other forming ridges. Here, groups of learners see how patterns and fingerprints assist scientists in a...
Texas Instruments
Endothermic and Exothermic Processes
Students investigate temperature using the TI. In this chemistry lesson, students analyze the change in temperature, as chemicals are dissolved in water. They analyze data collected using the CBL 2.
Curated OER
"I'm Melting!"
Third and fourth graders engage with a activity designed to help them differentiate between melting and dissolving. After reading an informative paragraph about the two actions, they consider four scenarios, and choose whether they...
Curated OER
Group 15, The Nitrogen Group
This short presentation provides a convenient introduction to the nitrogen group in the periodic table of elements. A graphic displays where they are placed in the periodic table. The nitrogen cycle is mentioned and ammonia is explained....