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Students can easily see what series resistance means in this activity. Students are sometimes confused by the fact that all real resistors are the same size even when they have far different values. It is recommended…
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Students will measure the resistance of resistors that they have drawn on paper with a graphite pencil. They will then connect two resistors in parallel and measure the resistance of the combination. In this activity,…
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It is important for students to understand how resistors, capacitors, and batteries combine in series and parallel. The combination of batteries has a lot of practical applications in science competitions. This lab also…
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This lab is not an inquiry activity. There are some students whose reaction times will not allow them to catch a 12 inch ruler. They may use a dowel, stick, strip of cardboard, etc. Although the students are led to…
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This lab is an inquiry activity in that students have not been exposed to the idea of terminal velocity, though they are using skills that they already have to analyze the balloon’s motion. The lab is both a review of…
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This inquiry activity is used after students have learned how to calculate kinetic and potential energy but before they learn about conservation of energy. It is important for students to repeat the measurement three…
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Separation Lab: Elements, Compounds, and Mixtures
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In this activity, students will separate a mixture of sand, salt, Styrofoam (or Perlite), and iron.
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Probability of Finding an Electron
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In this activity, students will use a target to simulate the probability of finding an electron in a certain energy level.
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In this activity, students will simulate the decay of radioactive isotopes by flipping papers and removing face-up papers.
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Rutherford’s Gold Foil Simulation
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In this activity, students will simulate Rutherford’s gold foil simulation by rolling a marble (alpha particle) at a series of target marbles (gold atoms
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In this activity, students will calculate the mean free path of a simulated gas sample.
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In this activity, students will see if the volume of an ice and water mixture goes up or down when the ice melts.
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In this activity, students will count how many drops of water they can put on the face of a penny with and without dishwashing liquid in the water.
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In this activity, students will estimate the density of cooking oil by comparing it to water
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In this activity, students will perform paper chromatography on different inks to find the source of the ink.
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