Curated OER
Grow an Alum Crystal
What an exciting lab experiment to conduct with your high school chemistry class! Crystals are formed naturally in the environment. However, allow your blossoming chemists to create their own unique crystals using alum and...
Creative Chemistry
Making Soap
In this soap instructional activity, students produce soap in the laboratory and test their product by using it to wash away engine oil. Students answer four questions about tests they perform on their soap.
Curated OER
The Snowflake Man
In this reading comprehension worksheet students read a passage about Wilson Bentley, The Snowflake Man. Students will then answer six multiple choice recall questions pertaining to the story.
Creative Chemistry
Some Halogen Chemistry
In this halogen chemistry learning exercise, high schoolers complete a practical to gain experience observing inorganic halogens and their salts. They observe changes in each chemical reaction and write the chemical equation for each...
Curated OER
Comparing Solids, Liquids, and Gases
In this solids, liquids and gases worksheet, students observe a teacher demonstration about gases and they experiment with liquids to show diffusion, shape and volume. They answer nine questions about the experiments related to solids,...
Curated OER
Different Minerals
In this minerals worksheet, learners read about the relationship between elements, rocks and minerals. They experiment using 6 different colored gumdrops to represent 6 common elements. Students construct gumdrop and toothpick models of...
Curated OER
Modeling the Rock Cycle
In this modeling the rock cycle worksheet, students use a sugar cube to show the phases and changes in the rock cycle as represented by the changes in the sugar cube. For each step of the experiment students indicate the part of the rock...
Curated OER
Kinetics Challenge Problem
In this kinetics activity, students use date from two experiments to determine the reaction order, calculate the rate constant and activation energy, and predict the mechanism for the reaction. This activity has 7 problems to solve.
Curated OER
English Exercises: Cloze Exercise
In this online interactive English worksheet, students respond to 29 fill in the blank questions where they complete a cloze activity. Students may submit their answers to be scored.