A series of steps followed to answer scientific questions and solve scientific problems.
32
30 sec
Q.
An educated guess.
33
30 sec
Q.
A final explanation based on scientific data.
34
30 sec
Q.
A hypothesis that has been tested and proven using a lot of data (evidence).
35
30 sec
Q.
Facts, figures, and other evidence gathered through observations or experiments.
36
30 sec
Q.
A conclusion reached on the basis of evidence and reasoning.
37
30 sec
Q.
Gathering information through our body's senses (sight, smell, touch, taste, sound).
38
30 sec
Q.
A factor that can change in an experiment
39
30 sec
Q.
The variable that is manipulated (changed).
40
30 sec
Q.
The variable that may change in response to manipulations of the independent variable.
41
30 sec
Q.
A single experiment.
42
30 sec
Q.
Conditions that stay the same in the experiment.
43
30 sec
Q.
Potential sources of danger.
44
30 sec
Q.
An action taken in advance to prevent something bad from happening and increase safety.
45
30 sec
Q.
To look at data or information closely and determine what it means.
46
30 sec
Q.
To explain the meaning of something.
47
30 sec
Q.
The movement of an object or change in position relative to a reference point (requires a force).
48
30 sec
Q.
The speed AND direction of a moving object
49
30 sec
Q.
The distance an object travels in a certain amount of time (distance/time).
50
30 sec
Q.
The location of an object in reference to something else.
51
30 sec
Q.
The path that a moving object follows.
52
30 sec
Q.
The units used to measure speed in Science.
53
30 sec
Q.
Will always create movement.
54
30 sec
Q.
Forces that cause movement (create a change in the motion of an object).
55
30 sec
Q.
Equal forces acting on an object in opposite directions (does not cause movement).
56
30 sec
Q.
The unit of measurement for force.
57
30 sec
Q.
The sum (or total) of all forces acting on an object.
58
30 sec
Q.
A scientist who discovered three laws of motion.
59
30 sec
Q.
Objects in motion tend to stay in motion. Also called the "law of inertia."
60
30 sec
Q.
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)
61
30 sec
Q.
For every action there is an equal and opposite reaction.
62
30 sec
Q.
An object's tendency to resist a change in motion.
63
30 sec
Q.
A measure of the amount of matter in an object.
64
30 sec
Q.
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
30 sec
Q.
A change in the location or position of an object, relative to its surroundings or other objects. Requires a force.
66
30 sec
Q.
A force that stops or slows motion between two surfaces that are in contact.
67
30 sec
Q.
An attractional force that pulls objects with mass towards each other.
68
30 sec
Q.
A force that supports the weight of an object on a surface and acts in the opposite direction of gravity.
69
30 sec
Q.
A force that is created when two objects pull on a wire, string, rope, or cable in opposite directions.
70
30 sec
Q.
The force that results when a spring is compressed or stretched (it results in a push or pull).
71
30 sec
Q.
A force that moves an object away from something.
72
30 sec
Q.
A force that brings an object closer.
73
30 sec
Q.
A force exerted by a fluid. When an object is immersed in a fluid, the fluid pushes up on the object (called "uplift").
74
30 sec
Q.
A force that results when two objects physically touch each other.
75
30 sec
Q.
A force that DOES NOT require two objects to physically touch each other.
76
30 sec
Q.
Friction, applied force, spring force, and buoyancy.
77
30 sec
Q.
Gravitational force and magnetic force.
78
30 sec
Q.
Climbing up a rope, opening a closet door, lifting a shovel full of dirt, an apple falling from a tree
79
30 sec
Q.
Hitting a tennis ball, kicking a soccer ball, hammering a nail, wind blowing leaves
80
30 sec
Q.
A force that can either pull opposite ends of two magnets together or push the matching ends apart.
81
30 sec
Q.
A force that is applied to an object by a person or another object (example: sliding a box across the floor).
82
30 sec
Q.
INCREASE friction (and slows or stops movement).
83
30 sec
Q.
DECREASES friction (movement is easier).
84
30 sec
Q.
Force = mass x acceleration
85
30 sec
Q.
The movement of an object or change in position relative to a reference point (requires a force).
86
30 sec
Q.
The speed AND direction of a moving object
87
30 sec
Q.
The distance an object travels in a certain amount of time (distance/time).
88
30 sec
Q.
The location of an object in reference to something else.
89
30 sec
Q.
The path that a moving object follows.
90
30 sec
Q.
The units used to measure speed in Science.
91
30 sec
Q.
Will always create movement.
92
30 sec
Q.
Forces that cause movement (create a change in the motion of an object).
93
30 sec
Q.
Equal forces acting on an object in opposite directions (does not cause movement).
94
30 sec
Q.
Equal forces acting on an object in opposite directions (does not cause movement).
95
30 sec
Q.
Forces that are not equal and cause a change in the motion of an object.
96
30 sec
Q.
The unit of measurement for force.
97
30 sec
Q.
The sum of all forces acting on an object.
98
30 sec
Q.
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
30 sec
Q.
A change in the location or position of an object, relative to its surroundings or other objects. Requires a force.
100
30 sec
Q.
A force that stops or slows motion between two surfaces that are in contact.
101
30 sec
Q.
An attractional force that pulls objects with mass towards each other.
102
30 sec
Q.
A force that supports the weight of an object on a surface and acts in the opposite direction of gravity.
103
30 sec
Q.
A force that is created when two objects pull on a wire, string, rope, or cable in opposite directions.
104
30 sec
Q.
The force that results when a spring is compressed or stretched (it results in a push or pull).
105
30 sec
Q.
A force that moves an object away from something.
106
30 sec
Q.
A force that brings an object closer.
107
30 sec
Q.
A force exerted by a fluid. When an object is immersed in a fluid, the fluid pushes up on the object.
108
30 sec
Q.
A force that results when two objects physically touch each other.
109
30 sec
Q.
A force that DOES NOT require two objects to physically touch each other.
110
30 sec
Q.
Friction, applied force, spring force, and buoyancy.
111
30 sec
Q.
Gravitational force and magnetic force.
112
30 sec
Q.
Climbing up a rope, opening a closet door, lifting a shovel full of dirt, an apple falling from a tree
113
30 sec
Q.
Hitting a tennis ball, kicking a soccer ball, hammering a nail, wind blowing leaves
114
30 sec
Q.
A force that can either pull opposite ends of two magnets together or push the matching ends apart.
115
30 sec
Q.
A force that is applied to an object by a person or another object (example: sliding a box across the floor).
116
30 sec
Q.
A particle that cannot be divided. It is the basic building block for all matter.
117
30 sec
Q.
Located in the center of an atom, this is where a clump of protons and neutrons can be found.
118
30 sec
Q.
Have a positive charge (+).
119
30 sec
Q.
Have a neutral charge (no charge).
120
30 sec
Q.
Have a negative charge (-).
121
30 sec
Q.
This is formed around the nucleus.
122
30 sec
Q.
Tells us how many protons an element has.
123
30 sec
Q.
The basic ingredients of everything in the universe (made up of "like" atoms).
124
30 sec
Q.
Lists elements in rows from smallest to largest known atomic weight.
125
30 sec
Q.
The number that appears below each element name on the periodic table.
126
30 sec
Q.
These form when two or more ATOMS bond (join together).
127
30 sec
Q.
These form when two or more ELEMENTS bond (join together).
128
30 sec
Q.
Life's most important compound molecule.
129
30 sec
Q.
Happens on its own (without the help of humans).
130
30 sec
Q.
Made with the help of humans.
131
30 sec
Q.
Involve adding or breaking apart molecules and can result in the formation of something new.
132
30 sec
Q.
This element forms more compounds than any other element (other than hydrogen).
133
30 sec
Q.
Allows scientists to see atoms on the surface of molecules.
134
30 sec
Q.
The study of very tiny particles or structures between 1 and 100 nanometres in size - where 1 nanometre = 10-9 metres
135
30 sec
Q.
Anything that has mass and takes up space (volume).
