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Earth & Space Science > Earth & Science Class - Test 2 > Flashcards

Earth & Science Class - Test 2 Flashcards

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Biology 101 flashcards
1
Q

This simple machine is usually used to separate things.

A

Wedge

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2
Q

This simple machine is an inclined plane wrapped around the axle of a wheel and axle.

A

Screw

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3
Q

This simple machine consists of a grooved wheel that rotates freely on a frame and uses a rope to lift items.

A

Pulley

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4
Q

This simple machine consists of a rigid bar that rotates around a fixed point called the fulcrum.

A

Lever

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5
Q

In this simple machine, a large circular wheel is attached to a smaller cylinder, which is like a solid tube.

A

Wheel & axel

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6
Q

This simple machine includes a sloping surface that is used for raising heavy bodies

A

Incline Plane

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7
Q

What class of lever is… Effort - Fulcrum - Load

A

Class 1

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8
Q

What class of lever is… Fulcrum - Effort - Resistance

A

Class 3

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9
Q

What class of lever is… Effort - Load - Fulcrum

A

Class 2

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10
Q

This is motivated just by curiosity.

A

Science

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11
Q

When the technology of x-rays was discovered, there was no intention of using this finding for medicine. Is this an example of science or applied science?

A

Science

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12
Q

Experiments are aimed at trying to find something useful. (Science, Applied science, or Technology?)

A

Applied Science

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13
Q

The x-ray is an example of technology, experiment, or a game?

A

Technology

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14
Q

A new process or machine that makes life better or makes a job easier. (Science, Applied science, or Technology?)

A

Technology

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15
Q

When a pulley’s block is attraced on a high platform, and rope is passed over the groove, what kind of pulley is this?

A

Fixed Pulley

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16
Q

A zipline is an example of a fixed or moveable pulley?

A

Moveable Pulley

17
Q

A pulleys that has the load attached to the wheel and the rope attached to a fixed point is what kind of pulley?

A

Moveable Pulley

18
Q

A pulley system that consists of two or more pulleys with a cable or rope threaded between them is what kind of pulley?

A

Block & tackle

19
Q

Does adding more pulleys helps you to increase what?

A

Mechanical Advantage

20
Q

A push or pull exerted on an object in an effort to change that object’s velocity.

A

Force

21
Q

The amount by which a force is magnified in a simple machine.

A

Mechanical Advantage

22
Q

The distance around a circle, equal to 3.14 times the circle diameter.

A

Circumference

23
Q

A device that either multiplies or redirects a force.

A

Simple Machine

24
Q

The length of a straight line that travels from one side of a circle to another and passes through the center of the circle.

A

Diameter

Earth & Space Science (1 decks)

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