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
Rate of Solvation
Students test factors that may affect the rate at which sugar dissolve in water. They conduct two studies: One is to test the effect of temperature on the rate of solvation and the other is to test a factor which Students come up with...
Curated OER
Testing the Waters
Eleventh graders examine a local body of water. In this science lesson, 11th graders collect water samples to test. Students analyze the data and make conclusions. Students create tables and graphs of the data.
Curated OER
Global Change: Where Land, Air and Water Meet
Students discuss the atmosphere as a mixture of gases. In this science lesson, students explore the world's oceans and fresh waters understanding that there are dissolved chemicals. Students realize that many substances dispersed in air...
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Celery Stalkers
Students participate in a hands-on activity to see how plants take up water and dissolved pollutants.
Curated OER
Experimenting with Physical Changes
Fourth graders explore physical changes. They discuss that physical change is a change in size, shape, or state of matter of a substance. Students explore what change takes place when two substances can dissolve each other. They observe...
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
The Mystery of Christa’s Big Bubble
Students study effervescence. In this hands-on science lesson, students apply the scientific method as they complete an activity regarding the presence of bubbles in liquids.
Curated OER
What Can We Do To Change These Materials
First graders perform experiments to investigate property changes that occur in materials or matter. In the science lab, they use heat to explore changes in rice, sand, gelatin, baking soda and more. Learners observe and record the...
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Strawberry DNA Extraction
Students explore the DNA of strawberries. In this science lesson plan, students extract the DNA of strawberries. Students complete a lab report.
Curated OER
AP Biology Lab Review
A seventy-two slide PowerPoint that reviews several lab explorations done in an AP Biology course. For each lab there is a description, concepts, and conclusions. Many pictures and graphics make this visually appealing, but it would not...
Curated OER
Physical And Chemical Changes
In this physical and chemical change activity, students solve 13 clues in a crossword puzzle focusing on rates of chemical reactions and changes in the state of matter.
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...
Education World
Hot Chocolate Testing
In this set of science experiment worksheets, learners examine and record nutrition information from a number of labels off of hot chocolate mixes. They follow follow the directions to participate in a taste and dissolving ability tests...
Curated OER
"Eggs-perimenting" Fun
Students dissolve salt into water, place an egg into a glass of salt water, observe and record observations, make a scientific hypothesis, summarize what they studied from this hands-on experiment. They share their ideas and findings...
Curated OER
Water Anaysis
Young scholars conduct three tests of water quality that can be utilized with TerrAqua columns and outdoors: pH, dissolved oxygen, and temperature. They make comparisons between different types of water and draw conclusions about how...
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Changing Materials
In this changing materials worksheet, students fill in the blanks for questions about dissolving a substance in a liquid and particles in a solvent.
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 lesson plan, students utilize health vocabulary terms by participating in a guessing game activity. Students discuss their own eating habits and...
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Devising a Set of Experiments to Test Water for Dissolved Substances
Students work together to test water samples for pollutants. They design data tables to collect and record their observations. They complete discussion questions to end the lesson.
Curated OER
Science: Quick Freeze
Learners observe an experiment of freezing point depression using club soda. Through observation, they note that the carbon dioxide molecules disrupt the capacity of the water molecules to solidify. Precautions must be taken to assure...
Curated OER
Technology as a Tool of Science
Students monitor streams, take stream surveys, collect chemical and macro-invertebrate and stream discharge data. Using a digital camera, students observe the percentage of various types of vegetation on the flood plan, riparian area and...
Curated OER
Call Me Bond, Hydrogen Bond
As amazing as James Bond is, the surface tension of water does not allow him to walk on it! In this series of little lab activities, physical scientists play with the properties of water due to the hydrogen bonds and resulting polarity....
Science Friday
Capturing Carbon Dioxide
Why don't we just capture carbon dioxide in the air and store it somewhere else? A hands-on lesson allows scholars to explore a complex concept. First, they will create a carbonated beverage, and then they will determine if liquid...
Curated OER
WS 8.2 Formation of Solutions
In this solutions worksheet, students answer questions about the solubility of various substances in solvents such as oil in water and nitrogen gas in helium. They draw water molecules to show bonding between them and they diagram a...