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SCIENCE > DEFINITIONS > Flashcards

DEFINITIONS Flashcards

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Biology 101 flashcards
1
Q

Spring balance

A

A measuring device that uses a stretched string to measure force in Newtons (N)

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2
Q

Deceleration

A

When something slows down

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3
Q

Inertia

A

The tendency to resist any change in motion

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4
Q

Newton (N)

A

Unit used to measure force

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5
Q

Acceleration

A

When something moves faster

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6
Q

Atom

A

Tiny particles that everything is made up of

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7
Q

Magnet

A

Attracts objects containing metal

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8
Q

Compass

A

An instrument showing the direction of magnetic north

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9
Q

Electromagnet

A

A type of magnet in which the magnetic field is produced by an electric current

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10
Q

Protons

A

Positively charged particles found in the nucleus of an atom

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11
Q

Electrons

A

Negatively charged particles found in the space around the nucleus of an atom

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12
Q

The ends of a magnet

A

Magnetic pole

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13
Q

Gravitational field

A

Objects inside this field will experience gravitational force

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14
Q

Repulsion

A

A force by which objects repel one another

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15
Q

Attraction

A

A force that draws objects together

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16
Q

Velocity

A

The speed of something in a given direction

17
Q

Force field

A

An area in which a particular force exists and can be felt

18
Q

Weight

A

The pulling force of gravity on an object

19
Q

Stability

A

Balanced

20
Q

Non-contact force

A

A force applied to an object by another body that is not in direct contact with it

21
Q

Motion

A

The change in position of an object

22
Q

Contact force

A

A force that occurs between surfaces

23
Q

Air resistance

A

Friction between an object and the air around it and slows the object down

24
Q

Gravity

A

The force of attraction between two objects. The force pulling objects toward the Earth

25
Q

Insulator

A

Objects that do not allow electricity to pass through them

26
Q

Positively charged

A

An object that has more protons than electrons

27
Q

Conductor

A

Metallic objects that allow electricity to pass through them

28
Q

Negatively charged

A

An object that has more electrons than protons

29
Q

Static electricity

A

The type of electricity in charged objects

30
Q

Electric field

A

A force field that exists around an electric charge

31
Q

Electrostatic force

A

Objects inside this field will experience electrostatic force

32
Q

Magnetic field

A

Space around a magnet where a magnetic force is experienced

33
Q

Friction

A

A force that slows objects down, occurs whenever one object tries to move over another

34
Q

Force

A

Push
Pull
Twist

SCIENCE (4 decks)

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