Curated OER
Limiting Reagent
Students work in small groups with a small set of 8 nuts and 5 bolts to assemble into combinations of 1 nut: 1 bolt, and 2 nuts: 1 bolt. They explore the outcome and discuss. Then a student mixes two clear, colorless solutions together...
Curated OER
Composting in Schools: Observing Compost Microorganisms
Students explore composting. In this composting lesson, students use compound microscopes to observe the microbial communities in compost. Observations and documentation of changes will occur over the course of several weeks.
Curated OER
The Chemistry of Life
In this chemistry of life worksheet, students will review key terms of plant cell structure and chemistry by reading 13 clues to complete the puzzle. Word bank is included.
Curated OER
How Do Atmospheres Affet Planetary Temperatures?
Students perform a literature search and use reputable research resources in order to find the surface temperature of different planets in our solar system. They speculate about the observed and unobserved factors. Then brainstorming is...
Curated OER
What's the Matter?
Students explore the components of matter. They discover what matter is, the states of matter, and how heat and cold cause it to change states in an online format. In addition, they complete internet-based lessons, activities, and quizzes.
Curated OER
Preparation of Crystalline Derivatives of Aldehydes and Ketones
Chemistry explorers prepare a crystalline derivative and find its melting point. Once they discover the melting point, they are able to identify whether or not the substance is pure, and whether it is an aldehyde or ketone. This is an...
Curated OER
Oxidation of Ethanol to Ethanal
Here is a laboratory exercise where chemistry masters carry out an oxidation reaction to change ethanol into ethanal. They compare the original alcohol to the resulting aldehyde by forming a precipitate. Definitely aimed at learners...
Pingry School
The Gelation of Guar Gum with Borax
Some of kids' favorite toys are the products of science experiments. Scholars follow precise measurements to mix and create their own slime and Play-Doh. They observe the changing textures and the chemical reactions throughout the...
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...
Chymist
Esters: An Introduction to Organic Chemistry Reactions
Scratch and sniff an introduction to organic chemical reactions. A creative lesson has individuals study the esters commonly used in scratch-and-sniff stickers and advertisements. Following the lab procedure, scholars create the organic...
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
Describing a Chemical Reaction: Playing with Copper
Three experiments involving pennies help young chemists see the chemical reactions between copper and other elements. The first experiment is rhetorical (it prompts students to leave a bright penny out for a year) but the second two...
Curated OER
Unit 1 Matter and Energy
Topping this worksheet is a comprehensive collection of notes about phase changes. The phase change graph is displayed, along with formulas for the gas laws, and information relating energy to change of phase. After reviewing these...
Curated OER
Qualitative Analysis
In this qualitative analysis worksheet, students read about all the different tests that can be done in chemistry to give qualitative results. Tests include flame tests, forming precipitates with sodium hydroxide, using sodium hydroxide...
Curated OER
Straw Chromatography
Students become acquainted with the principles of liquid chromatography and construct a liquid chromatography column. Students also investigate the effects of different solvents and solvent concentrations in the separation process.
Curated OER
D-block Ions as Catalysts
In this catalysts worksheet, students use transition metals ions to catalyze oxidation reactions of iodide ions. Students measure the rate of the reactions by measuring free iodine as a product.
Curated OER
Chemical Reactions
In this chemical reaction worksheet, young scholars investigate the results of mixing calcium chloride with sodium bicarbonate. They observe the chemical and physical changes that occur, identify the properties of the chemical before and...
Curated OER
Straw Chromatography
Learners separate food coloring using liquid chromatography. In this chemistry lesson, students explain the effects of different solvents on the rate of separation.
Curated OER
How To Culture Bacteria in the Laboratory
Students participate in an experiment in which they culture bacteria in a lab setting. They record their observations and analyze the data. They answer comprehension questions to end the lesson.
Curated OER
Atoms and molecules
In this chemistry worksheet, students find the words that are related to atoms and molecules. The answers are found by clicking the link at the bottom of the page.
Curated OER
A Burst of Light
Students discover the many uses of minerals in industry. They use minerals to conduct flame tests and to demostrate color. They practice safety tips in the lab.
Curated OER
Science Words
In this general science learning exercise, students find 32 science words reviewing states of matter and types of substances. Students may self correct by selecting the link at the bottom of the page.
Curated OER
Mystery of the Eleven Unknown Substances
Fourth graders identify eleven white substances that are commonly found in the household. They, in pairs, perform experiments on a variety of substances, and must identify them based on the reactions they observe.