Curated OER
Chromatography - Chemical Separation of Colors
Third graders use the scientific method as they separate the colors used in ink. In this chromatography lesson, the teacher introduces students to how chromatography is used in several careers, then students perform an experiment to see...
Curated OER
Study the Fizz
Students hypothesize about the amount of carbon dioxide in soda bottles. In this chemistry lesson, students design an experiment to solve the problem. They share findings in class.
Curated OER
A Solution for Precipitation
Students predict the product of chemical reaction using the solubility rules. In this chemistry lesson, students balance ionic equation. They perform a lab to check if their predicted products are correct.
Curated OER
Can You Find The Solution? Science Definitions
In this science definition instructional activity, learners use a set of phrases at the bottom of the page to complete a set of 10 definitions of terms, matching phrases.
Curated OER
Physical Equilibrium
For 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...
Curated OER
The Nature Of Dissolving Processes
Students examine the rule of "like dissolves like." They define and describe solutions and solubility models on molecular liquids, ionic solids, and molecular solids.
Curated OER
Vocab Science Chapter 1
In this word search worksheet, students locate 20 words related to science. The word list includes volume, mixture, and solute.
Curated OER
Straw Chromatography
High schoolers separate food coloring using liquid chromatography. In this chemistry lesson, students explain the effects of different solvents on the rate of separation.
Curated OER
The Connection Between Pigment and Light Colors
Students explain the mole concept and use this concept to prepare chemical solutions of particular molarities.
Curated OER
WATER CHEMISTRY
Young scholars list reasons why water is important and investigate and graph the freezing points of different solutions.
Curated OER
Obtain a visible spectra of chlorophyll a
Students become familiar with the concept of spectroscopy or the study of the interaction of matter with electromagnetic radiation. They prepare solutions and measure absorbance at different wavelengths. Pupils comprehend that mater and...
Curated OER
Quick Freeze (Demonstration)
Students witness an demonstration in which a bottle of club soda will go from a liquid to a solid when it is opened and the carbon dioxide is allowed to escape. This will help them understand that the freezing point of a solution will...
Creative Chemistry
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 can identify whether the substance is pure or an aldehyde or ketone. This outstanding laboratory activity helps...
Curated OER
The Influence of Initiator Concentration on the Molecular Weight of Polystyrene
This in-depth organic chemistry lab walks learners through an investigation of the effect of initiator concentration on the resulting molecular weight of polystyrene. It is important that you use this lesson with experienced chemistry...
American Chemical Society
Why Does Water Dissolve Salt?
Individuals explore solubility by modeling how water dissolves salts. They then view a video and compare how well water and alcohol dissolve salts, relating their comparisons to the structure of each molecule.
Curated OER
WS 7.1 Kinetic-Molecular Theory of Gases/Pressure
For this kinetic molecular theory worksheet, young scholars summarize the points of the kinetic molecular theory, they answer questions about pressure, and draw diagrams to show how suction cups, drinking straws and barometers work.
Chymist
Visualizing pH
Why are acids and bases important in our daily lives? Lead the class in answering this question, among others, as they experiment with pH paper and classify where various substances belong on the pH scale. They also taste common acids...
Curated OER
Science: The States of Matter
Third graders conduct experiments in matter to create chemical changes resulting in gases. By mixing solids and liquids, they create a chemical reaction and capture the gas in balloons. After observing the balloons fill with carbon...
Curated OER
Substitution and Elimination Reactions
In this substitution and elimination reactions worksheet, students complete 11 reactions by writing the structural formulas for the products. If no reaction occurs, they write N.R. They also write structures of the products for 3...
Cornell University
Making a Battery
Don't be shocked when your class has a blast making their own batteries! Science scholars examine a dry cell battery, then design and construct a wet cell battery. The activity guides them through the parts of a battery, the variables...
Beyond Benign
Breaking the Tension
The tension builds as learners experiment in your classroom. The 17th installment in a 24-part series has scholars investigate the concept of surface tension. After discovering characteristics of surface tension, they add a compound...
Curated OER
Transport
A multiple-choice quiz about the transport of substances between cells, this would work well as a pretest and/or post-test. It refers to chapter seven of an unnamed textbook, but it is a Word document, so it can easily be edited.
Curated OER
Chemistry 115 Practice Exam 3
Radioactive decay, pH, properties of elements, organic compounds, and stoichiometry are all touched upon through this practice chemistry exam. It always helps learners to take a practice test in preparation for the actual exam. This...
Curated OER
Spontaneity, Disorder and Entropy
In this physical and chemical change worksheet, pupils calculate the entropy change involved in different chemical changes. This worksheet has 4 problems to solve.