Fields and Interactions Study Guide

What is the definition of an Engineer?

• Someone who uses science and tools to build a product that solves a practical problem.

• A person who only studies history and literature.

• Someone who creates laws for a country.

• A person who only works with animals.

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What is the definition of a Scientist?

• Someone who pursues understanding of the natural world by using evidence to understand questions.

• Someone who only memorizes facts about the world.

• Someone who creates fictional stories about nature.

• Someone who ignores evidence when making conclusions.

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What is a Model in science and engineering?

• Any representation of a system used to help one understand and communicate how it works.

• A physical object that is always identical to the real system.

• A set of random data points with no relation to the system.

• A finished product ready for commercial use.

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What is a Prototype?

• An early model of a device or system.

• A finished product ready for sale.

• A type of software bug.

• A marketing strategy.

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What are Criteria in the context of design?

• The requirements of the design.

• The color scheme of the design.

• The tools used in the design process.

• The final product of the design.

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What are Constraints in the context of design?

• The limitations of the design.

• The colors used in the design.

• The tools required for the design.

• The people involved in the design process.

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What is Gravitational Potential Energy?

• Energy stored due to an object's mass and height.

• Energy produced by chemical reactions.

• Energy released during nuclear fusion.

• Energy generated by moving electrons.

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Gravity increases when the distance between two objects ________.

• decreases

• increases

• remains the same

• disappears

Gravity increases when the mass of one object or both objects ________.

• increases

• decreases

• remains the same

• disappears

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What is Gravitational force?

• The amount of gravitational pull between two objects.

• The force that keeps objects floating in air.

• The energy produced by moving objects.

• The force that causes objects to repel each other.

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