Curated OER
Aqueous Solutions
In this aqueous solutions learning exercise, students will explore the characteristics of solutions, including the ability of different compounds to dissolve in the solutions. This learning exercise has 10 true or false statements and 8...
Curated OER
Homeostasis and the Plasma Membrane
In this homeostasis and plasma membrane worksheet, 9th graders identify and solve 11 different vocabulary terms and definitions. They review the definitions of the words listed and then use the clues to complete the puzzle shown....
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
Igneous and Sedimentary Rocks
In this igneous and sedimentary rocks worksheet, students will review 8 vocabulary words associated with the characteristics and types of igneous and sedimentary rocks. Then students will group the vocabulary words into two groups.
Chymist
Build a Spectroscope
Assist your emerging scientists with construction of their very own spectroscopes. Individuals construct a spectroscope to identify elements used in varying lights within a particular environment. They conclude the activity with a class...
Curated OER
Water Quality Monitoring
Students comprehend the four parameters of water quality. They perform tests for salinity, dissolved oxygen, pH and clarity or turbidity. Students comprehend why scientists and environmental managers monitor water uality and aquatic...
Curated OER
Testing the Waters
Learners use test kits to measure the level of chlorine, iron, sulfide, and dissolved oxygen in tap (drinking) water and stream water. They post and evaluate the results of these water quality tests.
Curated OER
The Exceptional Nature of Cellulose
Students observe the affects of a substance's composition and structure have on its solubility. In this cellulose lesson students compare the amount of energy required to dissolve mono-saccharides with that required to dissolve...
Curated OER
Rate of Solution
Eighth graders determine the amount of agitation necessary to dissolve various sized sugar particles. This task assess students' abilities to collect, organize, and interpret data, create appropriate graphs, predict future events based...
Curated OER
Molarity
In this molarity learning exercise, students calculate the molarity of 13 different molecules. Students also determine the concentration of given solutions. This learning exercise has 19 word problems.
Curated OER
Balance Equation
In this balance equations worksheet, students write the charge balance equation for different compounds dissolved in water. Students rank the concentrations of ions and neutrals at equilibrium for solutions formed. This worksheet has 21...
Curated OER
What Is A Fossil?
In this fossils worksheet, students read 13 clues pertaining to fossils. Students fit their answers in a crossword puzzle. There is no word bank.
Curated OER
Is Your Water Clean?
Students compare water quality of different sources. They test water samples for odor, phosphates, pH, bacteria, and dissolved solids. they fill out a data table and answer questions about their findings.
Curated OER
Introduction to Digestion: What Happens to a Hamburger?
Students explore the human body by analyzing how food is absorbed. In this food digestion activity, students utilize health vocabulary terms by participating in a guessing game activity. Students discuss their own eating habits and...
Curated OER
What is Biocomplexity?
Students dicuss different aspects of biocomplexity. They demonstrate synthesis of complex concepts by creating before and after posters expressing how the concepts of biocomplexity have ben internalized. Students define the term...
Curated OER
Describing Chemical Reactions
In this chemical reactions worksheet, students fill in 12 blanks with the appropriate terms related to chemical reactions. They also indicate if 4 statements are true or false and match 7 words with their descriptions. Students complete...
Curated OER
Physical and Chemical Changes Crossword
In this chemistry instructional activity, students complete a crossword puzzle with 15 clues about both physical and chemical changes. Each clue lists number of letters for correct word.
Curated OER
Entropy
In this entropy worksheet, students review the Second Law of Thermodynamics and explore how entropy changes. This worksheet has 5 word problems.
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...
US Environmental Protection Agency
Role of Plants in Water Filtration
Investigate the amazing ability of plants to filter contaminants from water with this series of in-class demonstrations. After placing six small, potted plants in plastic cups, different solutions and mixtures are poured into them that...
Pingry School
Solubility Product of an Ionic Compound
How do scientists determine when a solution is fully saturated? Scholars address the topic as they observe patterns of precipitation in various concentrations of ions. Using a well plate, pipette, and common chemicals, they collect data...
Curated OER
Osmosis and Dialysis
How do you engage pupils in a discussion about osmosis without leaving them overwhelmed? By providing them with the tools to perform an exciting experiment, and they will see osmosis in action! Young chemists and biologists use a potato...
LABScI
Freezing Point Depression: Why Don’t Oceans Freeze?
Can you go ice fishing in the ocean? Learners examine the freezing point of different saltwater solutions. Each solution has a different concentration of salt. By comparing the freezing points graphically, they make conclusions about...
Curated OER
Do Plants Need Water?
First graders utilize observational skills to articulate similarities and differences in the plants they observe. They make comparisions of size, color, and height. Lima beans are planted at successively farther distances from a water...