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Science 2024 T-3 Final > Vocabulary > Flashcards

Vocabulary Flashcards

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Biology 101 flashcards
1
Q

Matter

A

Anything that takes up space and can be weighed.

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2
Q

Homogeneous Mixture

A

A mixture that has the same composition throughout the whole thing.

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3
Q

What is another word for homogeous mixture?

A

A solution

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4
Q

Heterogeneous Mixture

A

A mixture in which the composition is not the same throughout the whole thing.

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5
Q

Colloid

A

A mixture with very small particles that are distributed equally.

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6
Q

Suspension

A

A heterogeneous mixture of finely distributed particles.

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7
Q

Element

A

A basic part of a whole

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8
Q

Compound

A

A substance is made up of two or more different elements that are chemically bonded together.

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9
Q

Melting point

A

The temperature at which an object melts.

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10
Q

Freezing Point

A

The temperature point at which a liquid freezes.

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11
Q

Boiling point

A

The point at which a liquid starts to boil and evaporate.

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12
Q

Freezing

A

When a liquid turns into a solid at a cold temperature.

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13
Q

Melting

A

When a solid turns into a liquid at a very hot temperature.

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14
Q

Vaporization

A

When a liquid gets hot and turns into a gas.

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15
Q

Evaporation

A

liquid turning into gas below its boiling point.

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16
Q

Boiling

A

liquid turning into gas at its boiling point.

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17
Q

Bose-Einstein condensate

A

Gas from elements lighter than air

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18
Q

Independent variable

A

A variable that doesn’t need another variable.

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19
Q

Dependent Variable

A

A variable that depends on the independent variable

20
Q

Motion

A

A change in position

21
Q

Reference point

A

A place that you use for comparison when measuring an object’s motion.

22
Q

Average Speed

A

the average speed at which an object has traveled over time.

23
Q

Instantaneous speed

A

Speed measured at any given moment

24
Q

Velocity

A

The measure of how fast something is going in a given direction

25
Q

Acceleration

A

How fast an object speeds up.

26
Q

Force

A

An action that changes or maintains the motion of a body or object.

27
Q

Net force

A

The sum of all forces pushing and pulling on an object

28
Q

Newtons

A

A measurement used to measure force.

29
Q

Balanced forces

A

When 2 forces are the same strength but act in different directions.

30
Q

Unbalanced Forces

A

when the force applied to an object is bigger than another.

31
Q

Inertia

A

The tendency of a body to resist a change in motion or rest

32
Q

Friction

A

A force between 2 objects that are in contact.

33
Q

What are the three types of friction?

A

1) Static
2) Sliding
3) Rolling

34
Q

Air resistance

A

The frictional force that air exerts against a moving object

35
Q

Gravity

A

An invisible that pulls objects to the center of the earth

36
Q

Law of Universal Gravitation

A

Every particle is attracted to the other particles in the universe.

37
Q

Momentum

A

Mass in motion

38
Q

Law of conservation of motion

A

The momentum of a system is content if no external forces are acting on the system.

39
Q

Newtons 1st Law

A

An object remains at rest until acted upon by another force

40
Q

Newtons 2nd law

A

It needs to force to accel (Think cars)

41
Q

Newtons 3rd Law

A

Every action has its equal opposite reaction

42
Q

Potential Energy

A

Stored energy

43
Q

Gravitational PE

A

The energy stored in an object due to its height and position

44
Q

Chemical PE

A

The energy stored in the chemical bonds of a substance (Bomb)

45
Q

Elastic PE

A

Energy stored as a result of applying force to an elastic object (Stretched-out rubber band)

46
Q

Kinetic Energy

A

Energy an object has because of its motion

47
Q

Mechanical Energy

A

Total Energy (KE + PE)

Science 2024 T-3 Final (6 decks)

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