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This problem addresses students to develop ways to use direction and distance to describe position and motion. Students are members of a fire department rescue team who practice giving each other directions to get out…
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This problem addresses direction, distance, and speed by having students develop ways to use time and distance to describe speed. Students determine the winner of a race between a beetle that moves fast with…
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In this problem, direction, distance, and speed are addressed by having students develop ways to use time and distance to describe instantaneous and average speed. This problem can be adjusted for students of different…
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This problem addresses direction, distance, and speed by having students develop ways to use speed, time, and distance to describe a motion. Students determine whether self-propelled toy cars are moving at a constant…
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This problem addresses direction, distance, speed, and acceleration by having students develop ways to use speed, time, direction, and acceleration to describe a motion. Students use acceleration data from an insurance…
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In this problem, students explore how forces change the direction of motion of a spaceship moving between asteroids. They simulate the scenarios by using puffs of air delivered through straws to move balls through a…
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In this problem, students compare the end velocities of cartoon characters that jumped up from, jumped down from, or fell from a cliff and landed in a river. Students are asked to design experiments to test the impact…
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This problem focuses on force, acceleration, direction, and mass, and is set in the context of a rescue team. Students figure out how to balance three forces to suspend a person in a particular position. They balance…
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In this problem, students work in teams to design a new type of roller coaster ride. Students act as engineers to design a model roller coaster with “cars” (marbles) that are launched using elastic potential energy. The…
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Rube Goldberg machines are comical machines with many parts. This problem focuses on engineering energy transformations to make a functioning Rube Goldberg machine. The function of the machine, the materials used, and…
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During a long trip in the car, a student wonders whether the expensive travel mug used for iced tea keeps drinks hot or cold better than the foam cup holding coffee. In this problem, students explore the insulating…
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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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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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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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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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