A series of steps followed to answer scientific questions and solve scientific problems.
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An educated guess.
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A final explanation based on scientific data.
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A hypothesis that has been tested and proven using a lot of data (evidence).
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Facts, figures, and other evidence gathered through observations or experiments.
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A conclusion reached on the basis of evidence and reasoning.
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Gathering information through our body's senses (sight, smell, touch, taste, sound).
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A factor that can change in an experiment
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The variable that is manipulated (changed).
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The variable that may change in response to manipulations of the independent variable.
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A single experiment.
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Conditions that stay the same in the experiment.
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Potential sources of danger.
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An action taken in advance to prevent something bad from happening and increase safety.
45
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To look at data or information closely and determine what it means.
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To explain the meaning of something.
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The movement of an object or change in position relative to a reference point (requires a force).
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The speed AND direction of a moving object
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The distance an object travels in a certain amount of time (distance/time).
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The location of an object in reference to something else.
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The path that a moving object follows.
52
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The units used to measure speed in Science.
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Will always create movement.
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Forces that cause movement (create a change in the motion of an object).
55
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Equal forces acting on an object in opposite directions (does not cause movement).
56
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The unit of measurement for force.
57
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The sum (or total) of all forces acting on an object.
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A scientist who discovered three laws of motion.
59
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Objects in motion tend to stay in motion. Also called the "law of inertia."
60
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Acceleration occurs when a force acts on mass. The greater the mass, the more force is needed to cause acceleration. F=ma (force equals mass times acceleration)
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For every action there is an equal and opposite reaction.
62
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An object's tendency to resist a change in motion.
63
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A measure of the amount of matter in an object.
64
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A push or a pull that acts on an object in order to change the motion of the object; it has strength and direction.
65
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A change in the location or position of an object, relative to its surroundings or other objects. Requires a force.
66
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A force that stops or slows motion between two surfaces that are in contact.
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An attractional force that pulls objects with mass towards each other.
68
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A force that supports the weight of an object on a surface and acts in the opposite direction of gravity.
69
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A force that is created when two objects pull on a wire, string, rope, or cable in opposite directions.
70
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The force that results when a spring is compressed or stretched (it results in a push or pull).
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A force that moves an object away from something.
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A force that brings an object closer.
73
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A force exerted by a fluid. When an object is immersed in a fluid, the fluid pushes up on the object (called "uplift").
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A force that results when two objects physically touch each other.
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A force that DOES NOT require two objects to physically touch each other.
76
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Friction, applied force, spring force, and buoyancy.
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Gravitational force and magnetic force.
78
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Climbing up a rope, opening a closet door, lifting a shovel full of dirt, an apple falling from a tree
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Hitting a tennis ball, kicking a soccer ball, hammering a nail, wind blowing leaves
80
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A force that can either pull opposite ends of two magnets together or push the matching ends apart.
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A force that is applied to an object by a person or another object (example: sliding a box across the floor).
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INCREASE friction (and slows or stops movement).
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DECREASES friction (movement is easier).
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Force = mass x acceleration
85
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The movement of an object or change in position relative to a reference point (requires a force).
86
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The speed AND direction of a moving object
87
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Q.
The distance an object travels in a certain amount of time (distance/time).
88
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The location of an object in reference to something else.
89
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The path that a moving object follows.
90
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The units used to measure speed in Science.
91
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Q.
Will always create movement.
92
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Q.
Forces that cause movement (create a change in the motion of an object).
93
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Q.
Equal forces acting on an object in opposite directions (does not cause movement).
94
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Equal forces acting on an object in opposite directions (does not cause movement).
95
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Forces that are not equal and cause a change in the motion of an object.
96
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The unit of measurement for force.
97
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The sum of all forces acting on an object.
98
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A push or a pull that acts on an object in order to change the motion of the object; it has strength and direction.
99
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A change in the location or position of an object, relative to its surroundings or other objects. Requires a force.
100
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A force that stops or slows motion between two surfaces that are in contact.
101
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An attractional force that pulls objects with mass towards each other.
102
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A force that supports the weight of an object on a surface and acts in the opposite direction of gravity.
103
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A force that is created when two objects pull on a wire, string, rope, or cable in opposite directions.
104
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The force that results when a spring is compressed or stretched (it results in a push or pull).
105
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A force that moves an object away from something.
106
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A force that brings an object closer.
107
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A force exerted by a fluid. When an object is immersed in a fluid, the fluid pushes up on the object.
108
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A force that results when two objects physically touch each other.
109
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A force that DOES NOT require two objects to physically touch each other.
110
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Friction, applied force, spring force, and buoyancy.
111
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Gravitational force and magnetic force.
112
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Climbing up a rope, opening a closet door, lifting a shovel full of dirt, an apple falling from a tree
113
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Hitting a tennis ball, kicking a soccer ball, hammering a nail, wind blowing leaves
114
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A force that can either pull opposite ends of two magnets together or push the matching ends apart.
115
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A force that is applied to an object by a person or another object (example: sliding a box across the floor).
116
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A particle that cannot be divided. It is the basic building block for all matter.
117
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Located in the center of an atom, this is where a clump of protons and neutrons can be found.
118
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Have a positive charge (+).
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Have a neutral charge (no charge).
120
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Have a negative charge (-).
121
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This is formed around the nucleus.
122
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Tells us how many protons an element has.
123
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The basic ingredients of everything in the universe (made up of "like" atoms).
124
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Lists elements in rows from smallest to largest known atomic weight.
125
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The number that appears below each element name on the periodic table.
126
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These form when two or more ATOMS bond (join together).
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These form when two or more ELEMENTS bond (join together).
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Life's most important compound molecule.
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Happens on its own (without the help of humans).
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Made with the help of humans.
131
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Involve adding or breaking apart molecules and can result in the formation of something new.
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This element forms more compounds than any other element (other than hydrogen).
133
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Allows scientists to see atoms on the surface of molecules.
134
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The study of very tiny particles or structures between 1 and 100 nanometres in size - where 1 nanometre = 10-9 metres
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Anything that has mass and takes up space (volume).