Biology Junction
Cellular Respiration
Which food molecules must be present for cellular respiration to occur? Scholars view an informative presentation to better understand the process of cellular respiration. It details each step, focusing on the locations and the four main...
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How Do Muscles Get the Energy They Need for Athletic Activity?
Every muscle movement requires energy, but where does that energy come from? Scholars answer this question and more as they complete a worksheet. By following the directions, completing research, and discussing it as a class, they begin...
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Testing Growth of Algae
Students participate in an experiment in which they test the growing rate of algae. They test the algae in different elements recording their observations. They share their results with the class and discuss.
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Energy and Life
This two-page quiz mostly covers ATP, but touches on autotrophs and heterotrophs, as well. Learners show what they know through multiple choice, fill-in-the-blank, and short-answer questions.
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Chapter 13 Review, Section 1: Ions in Aqueous Solutions and Colligative Properties
This is an apt assignment for chemistry takers that are studying ionic solutions. Eight questions require problem solving and critical thinking to answer. The first question instructs learners to use a table in the textbook, but you can...
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Strawberry Smoothies
Biologists extract the DNA from a strawberry. After completing the procedure, learners write answers to a few questions on the lab sheet provided. This is ideal lab practice during a DNA unit in your general biology course.Â
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Chem II - Exam III Warm-Up
In this chemistry worksheet, students take an exam that presents the concept of maintaining the ph balance. This can become a formal assessment.
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Theoretical Yield and Percent Yield in Chemical Reaction
In this stoichiometry worksheet, students solve several problems using the stoichiometric method. Students find the percent, theoretical, and actual yield for all problems presented.
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The Human Impact on the Environment
Despite the typos and formatting issues, the Word document found here has some great potential. There are two questions that ask learners to put several events in a logical order; these could easily be made into a card sort activity....
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Fertilizer Frenzy
Ninth graders design and conduct an experiment. They evaluate other's experiments. Students describe relationships between biological systems and the environmental contaminants. They work as a team to solve a problem.
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Multiplying Microbes
Ninth graders investigate the techniques of culturing bacteria. They culture bacteria using agar plates. Students identify and describe some environmental conditions that effect bacteria growth.
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Reactions in Aqueous Solutions
In this solutions learning exercise, students calculate the molarity and solubility for given reactions. Students work on dilution, precipitation, and titration reactions. This learning exercise has 15 problems to solve.
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Writing Net Ionic Equations
In this ionic equations worksheet, learners are given 20 equations to complete. They are to write the net ionic equation and indicate if a precipitate or gas is formed. In addition they are to determine if 11 compounds are acids or bases...
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Precipitate Lab
This lab guide gets chemistry students to determine the identity of five unknown solutions based on reactions with four known solutions. Pupils perform experiments, they write down their observations, they write net ionic equations for...
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Paper Chromatography
Middle schoolers investigate the pigments in Magic Markers using chromatography. In this paper chromatography lesson plan, students use absorbent paper and mark the strip with a Magic Marker. They place the strip in a solvent and observe...
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Bog Science
Students study bogs. They tour, collect physical, chemical, and biological data and analyze a pristine bog community. Using the data, they draw a map and a cross section of the bog.
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Chemical Equations
In this chemical equations worksheet, students balance equations. This worksheet has 22 chemical equations to write out and balance.
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Chapter 7 Worksheet-Types of Equations
In this equations activity, students write equations and classify them as single displacement, double displacement, combustion, combination or decomposition reactions. They also write sample equations of each type of reaction and answer...
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How about a Little Give and Take?
Middle schoolers design a closed system to test the relationships between plants and animals. They monitor abiotic fluctuations within this living system by using a chemical test kit. They observe how living organisms respond to...
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WS 4.7 Writing Chemical Reactions
In this chemical reactions worksheet, students are given fourteen chemical reactions that they must write using chemical formulas for the reactants and products. They balance each equation by placing the proper coefficients in front of...
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Displacement Reactions and Acid/Base reactions
In this reaction instructional activity students complete a list of questions and decide if the products are soluble or insoluble then write out the formula.
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It's All About the Roots
Students investigate the process of hydroponic agriculture. They grow beans in different hydroponic solutions, compare results and graph their observations.
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Environmental Problems and Solutions
In this environmental problems and solutions worksheet, students are given a list of 25 environmental problems. They match them with a given solution and paste the matching pairs to a piece of construction paper.
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The Effects of Temperature on Chemical Mixtures
Students explore chemical cahnges and the effect of temperature on chemical mixturees, They make observations of the behavior and appearance of certain chemical mixtures and reactions.