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High School Mathematics Problems from Alaska: Firewood Problem
Students write and solve equations for the cost of firewood by the cord, then use this information to develop tables of values and graph their equations.
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High School Mathematics Problems from Alaska: AL-CAN Highway Problem
Students write and solve equations converting between metric and standard measurement as they travel southeast on the Al-Can Highway.
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Curds and Whey
In this chemical reaction worksheet, students investigate the reaction that makes curds and whey. They mix milk and vinegar and run it through cheesecloth to collect the solid. Students make observations, read about curds and whey, and...
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How the Amount of Solar Energy Absorbed by the Earth is Dependent Upon the Earth's Position
Students investigate the angle of light and how it faces the earth. They conduct a series of investigations with the following two objectives. Students determine if the angle of light is a factor in the absorption of heat. They correlate...
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Activity Two Teacher Page: Explosions
Young scholars identify variables that affect the system, and specify which variables are independent and which are dependent.
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Using The Scientific Method
Pupils are given a problem or hypothesis, they can create a relevant experiment using the steps to the scientific method. They collect quantitative and qualitative observations in scientific experiments. Students identify the difference...
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Current Thinking About Magnets
Students construct their own magnet and wire device. In this inquiry instructional activity, students investigate the factors affecting the strength of magnetic forces. They manipulate different variable to determine their effect.
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Relative Humidity & Dew Point
Pupils use a 24-hour graph of air temperature, relative humidity, and dew point to describe at least one reason why the variables change (or don't change) during the day. They use given scenarios to identify and describe the problems...
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What Are The Chances
Students calculate the probability of an event occurring. In this probability lesson, students differentiate between independent, dependent or compound events. They find the range of the data.
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ALASKA-CANADA HIGHWAY PROBLEM
Students create a table of ordered pairs, using variables (dependent and independent), writing equations, converting metric and standard measurements for distance using mileposts.
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Price of Apples- Linear Data
Young scholars collect data and create a graph. In this algebra lesson, students describe functions graphically, algebraically and verbally. They identify functions as being independent and dependent using variables.
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Toboggan Science
Students conduct toboggan time trials to investigate the variables that have the greatest effect on toboggan speed. In small groups, they develop a hypothesis to test and perform three trials on the toboggan run for each variable.
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Math Problems: Recycling Economics
Students use recycling as an example to study the economics of business, and to find fixed and variable costs.
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Functions and Equations
In this problem solving worksheet, 8th graders focus on functions and equations. Students respond to 6 problems solving for the missing variable in each.
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Activity #6 How Fast Do Reactions Go?
Students name the factors (concentration, temperature, and a catalyst) which can affect the rate of a chemical reaction. They use their knowledge of particle theory to explain their observations. Pupils comprehend that the...
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What Makes you Hot?
Learners manipulate different variables in a model and make inferences about the temperature on Earth. In this heat lesson students calculate the blackbody radiation of an object at a certain temperature.
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A Simulation of the Spread of HIV
Students participate in a simulation to illustrate the spread of HIV. They use phenolphthalein, water and test tubes to simulate the spread of the virus and discuss results and variables after the activity.
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Cost and Revenues
Students develop the key concepts of total, variable, fixed, average and marginal costs. The theory of using different business scenarios is applied to different situations for an extension to real life application.
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Functions As Graphs Worksheet
In this math worksheet, young scholars graph the data given in the organizer. The functions are used to create the new line for finding the possible unknowns.
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Differential Equations
In this differential equations instructional activity, students solve and complete 3 sets of various problems. First, they solve each of the differential equations. Then, students use the given information to evaluate the constant of...
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Cartesian Diver Lab
In this Cartesian diver lab, learners explain using text and diagrams how the Cartesian diver works. Students evaluate ways in making their lab design better. Learners make predictions of how changing the variable would change the...
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Two Terrains
Students compare two cell phone providers and relate those concepts to motion. For this algebra lesson, students identify the unknown in a problem using variables. They calculate the velocity, motion and displacement of different objects.
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Using a Database in Science Experiments
Fifth graders plant and take care of a lima bean plant and make predictions on its growth. In this science lesson, 5th graders chart their records and make conclusions about their experiment.
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Interpreting Data and Statistics using Graphs
Seventh graders interpret data. In this lesson on types of graphs, 7th graders construct, interpret, and analyze different graphs. This lesson includes worksheets and resources.