American Chemical Society
Middle School Chemistry: Molecules Matter
Students observe and discuss water on the molecular level using the idea that water is composed of tiny molecules that are attracted to one another.
American Chemical Society
Middle School Chemistry: Finding Volume: Water Displacement Method
Students use the water-displacement method to find the volume of different rods that all have the same mass.
American Chemical Society
Middle School Chemistry: Density: Sink and Float for Liquids
Students determine whether a liquid will sink or float in water by comparing its density to the density of water.
American Chemical Society
Middle School Chemistry: Density of Water
Students discover the concept that density is a characteristic property of water by measuring the volume and mass of water and calculating its density.
American Chemical Society
Middle School Chemistry: Changing State: Evaporation
Students build a model of a water molecule and design an experiment to see if adding energy affects the rate of evaporation.
American Chemical Society
Middle School Chemistry: Changing State: Condensation
Students investigate water cycle processes by testing how cooling affects the rate of condensation of water vapor.
American Chemical Society
Middle School Chemistry: Lesson Plans: Why Does Water Dissolve Sugar?
Lesson plan in which students design an experiment to determine if different types of liquids affect the amount of dissolution of an M&M candy shell.
American Chemical Society
Middle School Chemistry: Lesson Plans: Can Liquids Dissolve in Water?
Lesson plan with mulitmedia links in which students identify and control variables to help design a solubility test for different liquids in water.
![American Chemical Society: The Bakelizer [Pdf] Handout](http://content.lessonplanet.com/resources/thumbnails/456091/large/bwluav9tywdpy2symdizmdeyny0xmte3mdk4lwcwy3uxni5qcgc.jpg?1674856933 "American Chemical Society: The Bakelizer [Pdf] Handout")
American Chemical Society
American Chemical Society: The Bakelizer [Pdf]
Find out all you want to know about the revolutionary development of Bakelite, the first plastic created entirely from chemicals. Included is a biography of the inventor of Bakelite, Leo Baekeland.
American Chemical Society
American Chemical Society: Best of Wonder Science: Vitamin C Testing [Pdf]
An experiment to determine which drink contains more vitamin C.
American Chemical Society
American Chemical Society: Best of Wonder Science: Balloon Bath [Pdf]
An experiment to determine what happens to the air inside a balloon when it is heated or cooled.
American Chemical Society
American Chemical Society: Best of Wonder Science: Foiling Spoiling [Pdf]
A simple experiment to observe whether adding lemon juice to pieces of potato, apple, and banana helps to preserve them.
American Chemical Society
American Chemical Society: Best of Wonder Science: There's Air in There! [Pdf]
An experiment to obsevre the effects of air pressure on the water level inside a bottle.
American Chemical Society
American Chemical Soc.: Best of Wonder Science: Give Probability a Chance! [Pdf]
A simple experiment to test the probability of finding an eraser placed under one of two cups.
American Chemical Society
American Chemical Soc.: Best of Wonder Science: Measure Yourself in Metric [Pdf]
Activities where students take turns measuring their height, the width of parts of the hand, and the distance jumped using metric units.
American Chemical Society
American Chemical Soc.: Best of Wonder Science: Temperature Touch O Meter [Pdf]
An experiment to explore how one's sense of touch experiences changes in the temperature of water.
American Chemical Society
American Chemical Society: Best of Wonder Science: Ice of a Different Color [Pdf]
An experiment to test what happens to water when salt or sugar is added and it is then frozen into ice cubes. Students also explore the ice's physical properties by rubbing cubes on sandpaper and dropping a heavy object on each type.
American Chemical Society
Middle School Chemistry: Air, It's Really There
Explore the properties of air, and what happens to air when heated and cooled.
American Chemical Society
Middle School Chemistry: What Is Density?
Find out how density is defined for the study of chemistry.
American Chemical Society
Middle School Chemistry: Finding Volume the Water Displacement Method
Discover how water displacement can help scientists accurately measure volume.
American Chemical Society
Middle School Chemistry: Density of Water
Discover how the molecular make-up of water affects its density.
American Chemical Society
Middle School Chemistry: Density Sink and Float for Solids
See how different solids can have different densities depending on their molecular make-up.
American Chemical Society
Middle School Chemistry: Density Sink and Float for Liquids
See how different liquids can have different densities depending on their molecular make-up.
American Chemical Society
Middle School Chemistry: Temperature and Density
Learn how the molecular movement in different temperature water affects the density of the liquid.