Magnetic Field Vocab Amplify Science

Dylan puts two magnetic toy trains very close to each other on a track. What will happen next, and why?

• The trains will not move because the magnets are not touching.

• The trains will move closer to each other because the magnetic force will pull the trains together.

• The trains will move away from each other because the magnetic force will push the trains apart.

• The trains will move away from each other because the magnets are not touching.

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Dakota moves a magnetic toy train toward a magnet that cannot move. What happens to the potential energy in the system of magnets during the movement?

• The potential energy increases because the train moves against the magnetic force.

• The potential energy decreases because the train moves against the magnetic force.

• The potential energy decreases because the train moves in the same direction as the magnetic force.

• The potential energy does not change because the magnets in the system do not change.

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Pablo sets identical magnetic carts on two tracks. At the end of each track is a blue magnet that cannot move. Pablo can move the carts one space to the left or one space to the right. Which movement will increase the potential energy in the system the most?

• Moving the cart on Track 1 one space to the right (→).

• Moving the cart on Track 1 one space to the left (←).

• Moving the cart on Track 2 one space to the left (←).

• All these movements will result in the same change in potential energy because they each move a cart the same distance.

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Francisco is holding two magnets close to each other. What will happen when he lets go?

• The magnets will move away from each other because the magnetic force will push the magnets apart.

• The magnets will move closer to each other because the magnetic force will pull the magnets together.

• The magnets will not move because the magnets are not touching.

• The magnets will move away from each other because the magnets are not touching.

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In a computer simulation, Noni moves a magnet (Magnet 1) away from another magnet (Magnet 2) that cannot move. Which statement accurately describes the change in potential energy?

• The potential energy does not change because the magnets in the system do not change.

• The potential energy decreases because Magnet 1 moves in the same direction as the magnetic force.

• The potential energy decreases because Magnet 1 moves against the magnetic force.

• The potential energy increases because Magnet 1 moves against the magnetic force.

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An engineer is investigating potential energy with two identical magnetic roller coaster cars on different sides of a center magnet that cannot move. For the experiment, the engineer will move one car one space. Which movement will result in the largest increase in potential energy?

• Moving the Car 2 one space toward the center magnet.

• Moving the Car 1 one space away from the center magnet

• Moving the Car 1 car one space toward the center magnet.

• All these movements will result in the same change in potential energy because they each move a car the same distance.

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Cecilia puts two magnetic toy trains very close to each other on a track. What will happen next, and why?

• The trains will not move because the magnets are not touching.

• The trains will move closer to each other because the magnetic force will pull the trains together.

• The trains will move away from each other because the magnetic force will push the trains apart.

• The trains will move away from each other because the magnets are not touching.

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Based on the magnetic field line diagrams, what will happen next with these two sets of magnets?

• The magnets in Set 1 will repel, and the magnets in Set 2 will attract.

• The magnets in Set 1 will attract, and the magnets in Set 2 will repel.

• The magnets in Set 1 will not move, and the magnets in Set 2 will attract.

• In both sets the magnets will attract

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A spaceship is traveling through space. Suddenly, its speed increases. What can you say about the kinetic energy of the spaceship?

• The kinetic energy increases as its speed increases.

• The kinetic energy decreases as it is converted into speed.

• The kinetic energy remains the same because speed and kinetic energy are not related.

• There is no way to know what happened to the kinetic energy.

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What happens to the energy in a system of magnets when the magnetic force causes two magnets to move?

• The potential energy in the system increases.

• The kinetic energy in the system decreases.

• Some kinetic energy changes into potential energy.

• Some potential energy changes into kinetic energy.

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