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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 plan.
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Rainbow Electrophoresis
Students are introduced to the principles of gel electrophoresis and also provides an opportunity for students to practice loading gels and prpetting. In this laboratory activity, food color is used to separate into constituent pigments.
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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.
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Making A Natural pH Indicator
Students make their own pH indicator from red cabbage. Red cabbage contains a chemical that turns from its natural deep purple color to red in acids and blue in bases. Students boil the cabbage to get the pH indicator.
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Chlorophyll
Middle schoolers use thin layer chromatography, TLC, to separate various pigments found in plants.
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Salt Water Wedge
Students conduct an experiment to observe the properties of both salt and freshwater. They explain why freshwater will stay at the surface while salt water will travel up a river bottom because of density. Students also research the...
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Activity #14 Floating Bubbles
Learners comprehend that Carbon dioxide gas is relatively easy to generate. They comprehend that one way to produce it is with dry ice. Pupils comprehend that carbon dioxide gas can also be produced by combining baking soda with vinegar.
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Making Paint
Students discover how paint is made, then create their own paint which they will use to create a picture. After witnessing the processes of emulsion and suspension, students work in groups to create their own paint, and then create...
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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.
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Minerals And Their Uses
In this minerals worksheet, students will review the four physical characteristics used to identify a mineral: streak, color, size, and hardness. Students will also understand the Mohs Hardness Scale. This worksheet has thirteen short...
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Soil Chemistry Challenge
In this soil chemistry learning exercise, students complete the sentences with the correct words to fill in the blanks about soil chemistry. Students complete 28 blanks.
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Make A Crystal Snowflake!
Students make a crystal snowflake decoration out of string, pipe cleaners, food coloring, boiling water, and more. In this snowflake lesson plan, students let it dry over night and see crystals in the morning.
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Plant And Animal Cells
Students identify parts of plant and animal cells and describe the functions of each part. They distinguish between plant and animal cells. After a lecture/demo, students perform experiments which help them construct models of plant and...
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DNA Fingerprinting through a Chemistry Lens
Students explore DNA and restriction enzymes using fragments of DNA separated by electrophoresis on an agarose gel. They analyze the results to see "whodunit".
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Ice Cream
Students explore the concept of the colligative property. Through experimentation, students lower the freezing point of a liquid in order to create a solid by using household ingredients to create ice cream.
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New Jersey Estuaries Water Filter Activity
Students examine how an estuary's plants and soil filter water before it flows into the ocean. They complete a lab report drawing and writing about what they observe after completing a water filter activity.
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ISOLATION OF DNA FROM ONION
Students perform a lab in which they extract DNA from onion cells. Students break through the cell and nuclear membranes and then break down the protein that the DNA is wrapped around.
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Am I Neutral? pH Properties in Soil
Students participate in a science lab to determine the pH of three different soil samples. Students conduct an experiment by creating a question, a hypothesis and then an investigation of soil samples. Then they compare colors apprearing...
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Explorit's Chemistry Quiz
In this chemistry worksheet, students complete a six question multiple choice quiz about chemistry. This is an on-line interactive worksheet.
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Crazy Putty Ratio
Second graders use knowledge of measurements and ratios to mix various combinations of liquid starch and glue. They chart their ratios, make observations, and write a summary of the activity. They mix their own batch of Crazy Putty to...
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Ground Level Ozone Testing
Students prepare Shoenbein Paper to test the ground level of ozone. They dip a strip of their test paper in distilled water and hang it at a data collection site. They determine the relative humidity of the data collection site. Using a...
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DNA Extraction From Living Things
Students extract DNA from split peas. In this biology lesson, students hypothesize what DNA looks like and perform the experiment to verify their hypothesis. They explain the importance of DNA in living things.
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Shakespeare's Dentist
Pupils investigate dentistry that existed during Shakespeare's lifetime. They answer questions and write a paragraph about a trip to the dentist taking the role of a patient of an Elizabethan dentist.
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Physical vs. Chemical Change Lab
Students recognize both a physical and chemical change in different substances. They determine which particles actually changed into different substances, and explain if it represented a physical or a chemical change.
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