Curated OER
Making Soap
Students recognize and use chemical indicators in the lab, recognize the need for safety while doing chemical experiments and understand the need for following precise directions.
Curated OER
Goggle Safety
In this goggle safety worksheet, students describe different types of eye injuries. They observe pictures of eye injuries and list six different types. This one-page worksheet contains five problems.
Curated OER
Coloring Fabrics With Dyes from Plant Materials K-12 Experiments & Background Information
Students investigate the effects of acid and bases on dyes made with plant materials. In this chromatography lesson students predict color outcomes and complete a lab activity on color combinations.
Curated OER
Acids, Alkalis, and pH
In this pH worksheet, students determine how indicators work and what the pH scale is used for. Students learn what happens when non-metals burn in air and when metal oxides dissolve in water. This worksheet has 10 problems to solve.
Nuffield Foundation
Investigating the Effect of Temperature on the Activity of Lipase
How does temperature affect lipase activity? Young scholars conduct an experiment to collect data on the interaction of lipase at different temperatures. They add lipase to a solution of milk, sodium carbonate, and phenolphthalein and...
Howard Hughes Medical Institute
Ocean Acidification
Human impacts on the environment can sometimes be difficult to measure, especially under water! An activity centered on ocean acidification gives science scholars the opportunity to examine the effects of carbon dioxide on marine life....
Curated OER
Writing Net Ionic Equations
In this ionic equations activity, students are given 20 equations to complete. They are to write the net ionic equation and indicate if a precipitate or gas is formed. In addition they are to determine if 11 compounds are acids or bases...
Curated OER
pH and Red Cabbage Juice
Students review properties of materials and define what pH tells them about matter. In this pH levels instructional activity, students determine whether materials are acids or bases using indicator substances.
Curated OER
Am I Neutral? pH Properties in Soil
Middle schoolers participate in a science lab to determine the pH of three different soil samples. Students conduct an experiment by creating a question, a hypothesis and then an investigation of soil samples. Then they compare colors...
Curated OER
Water Quality And pH
Learners determine the pH level of water and its effect on aquatic plants and brine shrimp eggs. This is a three part activity that leads the student through the development of an understanding of water pH. They form a hypothesis and are...
Curated OER
Environmental Chemistry
In this chemistry worksheet, students identify and locate various vocabulary terms pertaining to environmental chemistry. There are 36 chemistry terms located in the word search.
Curated OER
Chemical Equations
In this chemical equations worksheet, high schoolers are given the trends for the reactions between the alkaline earth metals with water, the solubility of the Group II hydroxides and the solubility of the Group II sulphates.
Curated OER
A Study in Paper Permanence
Twelfth graders compare the permanence of papers by testing pH, determining presence of alkaline reserve as well as fold endurance, and testing lignin content.
They indicate the strength by using a starch test as a comparison.
Curated OER
Water Quality Monitoring
Young scholars study the water quality of a stream in their area, by measuring the temperature, pH, alkalinity and conductivity. They integrate biology with earth science when using the microscope to study the living organisms in the water.
Curated OER
Kidney and Related Concepts
For this kidneys worksheet, students review the function of the kidneys including what happens when the kidneys stop working. Students also compare kidney function in fish, frogs, and kangaroo rats. This worksheet has 86 fill in the...
Curated OER
DNA the Easy Way (and "Gram Stain" Without the Mess)
Learners visualize DNA from cells and explain the basis and importance of the Gram-stain reaction and to perform the KOH test equivalent.
Curated OER
The Effects of Environment on Plant Growth: Selecting Seeds for Survival on a New Planet
Fifth graders conduct experiments to compare seed germination and plant growth rates. They construct a hydroponic plant unit and a lighthouse. They care for the plants for a month and collect data for graphs. They write a report.
Curated OER
Blood, I Presume?
Students explain the value of blood in trials. In this DNA lesson students work together to collect and share information and ideas that they come up with after learning how to distinguish blood from other stains.
Curated OER
Non-nutrients: Fiber and Water
Students will identify the sources and function of carbohydrates and fiber and apply appropriate food preparation techniques.
Curated OER
Metals and Non-Metals
A table of the physical properties of metals and non-metals opens this high-school chemistry handout. Also covered are the chemical properties of metals and non-metals, reactivity, and fossil fuels. There are no specific questions to...
Curated OER
Identification of Gram Negative Bacilli
In this biology worksheet, students review the procedures used to complete the lab activity and then examine the purpose and add the information while answering the questions.
Curated OER
Revision Guide - Chemistry
Don't you wish you had the time to type up a study guide for your chemistry class? With this resource, there is no need! A chart comparing the properties of metals and non-metals tops the handout, followed by notes on the reactivity...
Curated OER
Metals and Non-metals
A half-page chart compares the properties of metals and nonmetals. Properties include appearance, melting and boiling point, density, strength, malleability, ductility, heat and electrical conductivity, and the nature of their oxides....
Curated OER
Safety Labels In The Chemistry Laboratory
In this science worksheet, students examine the safety labels that are displayed in the laboratory and then are expected to complete the homework questions.