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A “Salting” Solution
Ninth graders investigate the factors affecting solubility. In this chemistry lesson, 9th graders differentiate solvent and solute. They give examples of real world application of solutions.
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Condensation and the Water Cycle
Students explore the natural distallation process that occurs in the water cycle. They use plastic cups and cotton swabs to observe the condensation process that is evident in the water cycle.
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Protein Biochemistry: Evidence for Charged Amino Acids in Proteins
Learners add the acid and base drop wise as the protein precipitates. If either are added too rapidly, students may miss detail or the protein may not have sufficient time to renature. Casein does not buffer the solution well when it is...
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Field Trip to test Water Quality
Students examine water quality indicators,test water quality and record their results. In this water quality lesson students complete a water testing lab and complete a lab report.
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Embryological Development Using Medaka Fish
Students analyze and record major events that occur in the development of Medaka fish eggs from fertilization to hatching. In small group, students describe the processes involved, creating a timeline of the major events in the...
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The Circulatory System
In this circulatory system worksheet, learners review the functions of red blood cells, white blood cells, and platelets. Students label the parts of a human heart on a diagram. This worksheet has 4 short answer, 13 matching, and 9 true...
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Volcano Study Guide
In this volcano learning exercise, students answer fourteen questions about the types of volcanoes, the types of magma and the types of lava. They label the parts of a volcano.
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Growing Rock Candy
Students observe the growth of rock candy. In this crystal growth activity, students make rock candy and measure the crystal growth over five days.
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Physical and Chemical Changes Crossword
In this chemistry worksheet, students complete a crossword puzzle with 15 clues about both physical and chemical changes. Each clue lists number of letters for correct word.
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Answers for Physical and Chemical Changes Crossword
In this chemistry worksheet, students are provided with the answers for a crossword puzzle containing 15 clues about physical and chemical changes.
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The Atmosphere and Flight
Young scholars investigate evaporation and condensation, and apply the concepts to understanding cloud formation.
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Thermal Stratification
Young scholars use video, research and experiments to investigate and replicate thermal stratification in a lab. They prepare a report, poster or multimedia presentation showing the results of their work.
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The Hijacker - How a Virus Spreads
Students view a video that presents how viruses attack the body and how the body's immune system responds. They simulate the spread of an infectious disease and establish the identity of the original carrier.
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The Ocean Floor
Fifth graders discuss the process of sedimentation and the continental drift theory. They locate major structures on the ocean floor and they identify life forms at each level of the ocean.
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Chemical Energy
In this science worksheet, students fill in the blank for 15 sentences about chemical energy. For example, "Chemical bonds hold_."
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Simulating the Spread of an Infectious Disease
In this health worksheet, learners identify various infectious diseases and explore the available options for stopping or preventing the spread of disease. They participate in a simulation experiment on how to measure and prevent. There...
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Solubility of Ionic Substances
In this solubility worksheet, students identify substances as either ionic or molecular, define saturated solution and solubility, and calculate concentration of solutions. This worksheet has 7 short answer, 5 fill in the blank, and 27...
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Blood and the Circulatory System
In this circulatory system worksheet, learners review the organs that are involved with this body system, including their structure and function. Students explore the problems that can occur with the circulatory system. This worksheet...
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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...
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Hatching Chickens
Students learn the importance of caring for eggs as they hatch chickens. In this egg hatching lesson, students observe what happens when eggs are hatched into chickens by completing a e-worksheet and watching a web based movie.
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Science Vocabulary Decoder Worksheet
In this science vocabulary worksheet, students match the letter of the science vocabulary word to the number next to its definition. Students match 15 words to 15 definitions.
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Science Vocabulary Maze
For this science vocabulary worksheet, students solve the clues with science vocabulary words and find the words in the maze. Students find 14 science words.
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Science Letter Shapes Puzzle
In this science word puzzle, students fit words to shapes using a set of 15 definition clues. A reference web site is given for additional activities.
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Intermediate Sentence Completion Exercise 35
In this intermediate sentence completion exercise 35 worksheet, students working online, choose the correct word(s) to complete the sentence, with immediate feedback.