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Book Chapter |
In this problem, students investigate how to construct a simple circuit from a battery, flashlight bulb, and items that might be found in someone’s pocket. Teams of students engineer a simple flashlight using a…
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Book Chapter |
In this problem, students wire the lighting in a miniature house to meet preset specifications. These specifications can be altered to make the problem more or less complex. Students wire circuits with batteries, bulbs…
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Book Chapter |
In this problem, students are asked to build a battery-operated, personal fan from household materials. This entails building a small electric motor. It is not expected that students will figure out how to make a motor…
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Book Chapter |
The problems in this chapter ask students to identify basic needs of living things and to describe simple life cycles of animals, plants, and fungi. The problems involve students in a number of science practices…
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Book Chapter |
The problems in this chapter ask students to identify basic needs of living things and to describe simple life cycles of animals, plants, and fungi. The problems involve students in a number of science practices…
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Book Chapter |
The problems in this chapter ask students to identify basic needs of living things and to describe simple life cycles of animals, plants, and fungi. The problems involve students in a number of science practices…
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Book Chapter |
The problems in this chapter ask students to identify basic needs of living things and to describe simple life cycles of animals, plants, and fungi. The problems involve students in a number of science practices…
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Book Chapter |
Fishermen in the Great Lakes are concerned that a growing population of cormorants will harm the perch fishery. In this ecology problem, students are asked to evaluate the problem and propose possible actions. The…
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Lake Michigan–A Fragile Ecosystem
Book Chapter |
Commercial fishermen have noticed declining numbers and smaller sizes of the fish they catch in Lake Michigan, and they want to know how the government’s stocking program is affecting their catch. In this problem, the…
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Book Chapter |
Residents on a 63-acre lake in Montcalm County, Michigan, are concerned about the loss of a once-common insect from the ecosystem. In this problem, the challenge to students is to help the homeowners discover what is…
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Book Chapter |
The plants found in a bog located on the west side of the Rose Lake marsh in Clinton County, Michigan are changing over time. What is causing this change? Is there a human-related problem that needs to be addressed? In…
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Book Chapter |
Purple loosestrife is an invasive species of plant that is spreading through North American wetlands. In this problem, the challenge to students is to predict what effect purple loosestrife will have on wetland…
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Book Chapter |
A group of students wonders how a single cat can have kittens with different coat colors. In this problem, the challenge for students is to explain the difference between cats with pale versus dark coats in terms of DNA…
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Black and White and Spots All Over
Book Chapter |
In this problem, students explore how spotted coat color is inherited in cats. The goal is to figure out the gene for spotting in cats by applying what students learned earlier in this chapter from the snapdragon and…
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Book Chapter |
In this problem, a group of students tries to explain the genetic cause of calico and tortoiseshell coat color in cats. The challenge to students is to describe the genetics of calico cats by explaining the inheritance…
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