Fundamentals and measurement
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Triple Beam Balance
Learn how to determine the mass of an object using a triple beam balance. The mass of a variety of objects can be determined using … this simulated version of a common real-world laboratory tool for measurement.
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pH Analysis
Test the acidity of common substances using pH paper. Materials including soap, lemon juice, milk, and oven cleaner can be tested by … comparing the color of pH strips to a standard scale.
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pH Analysis: Quad Color Indicator
Test the acidity of many common everyday substances using pH paper (four color indicators). Materials including soap, lemon juice, milk, … and oven cleaner can be tested by comparing the color of the pH strips to the calibrated scale.
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Density Laboratory
With a scale to measure mass, a graduated cylinder to measure volume, and a large beaker of liquid to observe flotation, the … relationship between mass, volume, density, and flotation can be investigated. The density of the liquid in the beaker can be adjusted, and a variety of objects can be studied during the investigation.
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Determining Density via Water Displacement
Drop objects in a beaker that is filled with water, and measure the water that flows over the edge. Using Archimedes' principle, determine … the density of objects based on the amount of displaced water.
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Mystery Powder Analysis
Perform multiple experiments using several common powders such as corn starch, baking powder, baking soda, salt, and gelatin. The results … of the research on the known powders can then be used to analyze several unknowns using the scientific method. The unknowns can be a single powder or a combination of the known powders.
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Vectors
Manipulate the magnitude and direction of two vectors to generate a sum and learn vector addition. The x and y components can be … displayed, along with the dot product of the two vectors.
