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Freezing and Boiling Point
In this freezing and boiling point graph learning exercise, students use the graph illustrated to respond to several questions that follow. They identify what is the freezing, boiling, and melting point of the substance in the graph....
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Solutions Homework Problem Set
In this chemistry instructional activity, students determine the vapor pressure of a solution when dissolved in water at a set temperature. Then they determine the vapor pressure of this solution at a higher temperature. Students also...
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Unknown Element Project
Learners work with a partner to determine the identity of an unknown element based on given descriptions. Groups use classroom textbooks, encyclopedias, and science internet sites to identify their unknown element then write a report as...
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Heating of Water: Water Vapour
Seventh graders read the directions printed on their worksheet and follow them carefully. They set up a beaker with a tripod and Bunsen burner under it. They record the temperature of water every 30 seconds. Students graph the data and...
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Powder
Young scholars investigate several unidentified substances and suggest a use of each substance. They can explain that a substance has characteristic properties, such as density, a boiling point, and solubility, all of which are...
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Blue
Students follow directions for a simple chemical experiment. They use the appropriate tools and techniques to gather, analyze, and interpret data. Students identify a substance that has characteristic properties, such as density, a...
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Solids And Liquids
Students discuss the properties of solids and liquids. They complete a worksheet to show the boiling and melting points of several substances and consider if these factors affect how humans use materials.
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Weather through the Seasons
Students examine the year's cycles by observing the four seasons, their distinctive weather patterns that affect our activities and the weather changes that each brings. The fourteen lessons of this unit offer a good opportunity for the...
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Intermolecular Forces
In this compounds instructional activity, students identify the main intermolecular force in the given compounds and explain the differences between dipole-dipole forces and hydrogen bonds. This instructional activity has 5 short answer...
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Compounds and Molecules
In this compounds worksheet, high schoolers compare separating elements of a compound and substances in a mixture. Students review melting and boiling point. This worksheet has 1 fill in the blank and 5 short answer questions.
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Colligative Properties Worksheet
In this solutions worksheet, students determine the boiling points and melting points of solutions. Students calculate the effective molality of a solute. This worksheet has five problems to solve.
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Solutions Quiz Review Sheet
In this solutions learning exercise, students use a phase diagram to determine the boiling point and molality of the solution. Students determine the electrical conductivity of a saturated solution. This learning exercise has nine...
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Wet Dry Ice Lab
In this wet dry ice worksheet, students read the information about dry ice and phase change. Students perform an experiment in which they observe phase changes of ice. Students answer analysis questions as it relates to the phase change...
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Evidence for Hydrogen Bonds
In this hydrogen bonds worksheet, students use three data tables showing the boiling points for various compounds containing hydrogen to create three graphs for comparison.
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Chemistry Wk 2
In this chemistry learning exercise, students calculate the freezing point of a given solution. Students calculate the final temperature and state of the water in a given problem. Students solve several problems provided.
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Particle Theory of Matter
In this science word search worksheet, learners identify and locate words in a puzzle that relate to particle theory of matter. There are 24 words to locate in the puzzle and spell correctly.
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States of Matter: Liquid
Students work in a mini lab where they measure the temperature every 30 seconds for several minutes as water is heated. They are asked what makes liquid different from a solid. Students view a PowerPoint on the model of liquids,...