Science VIM Learning Sets 1, 2, & 3 Vocab
Terms in this set (83)
goals that must be satisfied to successfully achieve a challenge
Factors that limit how you can solve a problem
To move without being continually pushed or pulled
The frame and wheels of a vehicle
Round shafts that connect the opposing wheels of a car
Structures that help parts move freely
A change in a position of an object over time
Measure of how fast an object is traveling
A push or a pull
A push or a pull that causes an object to move
The force of attraction between objects
Information describing the qualities of objects observed, but not measured
Information based on measurement or counting
A location with which the position of an object is compared over time to determine if that is moving.
Frame of Reference
The view from which you judge the motion of an object
A specific value or values that can serve as a basis for comparison
A repetition that attempts to improve on a process or product
To perform repetitions to improve on a process or product
A change in direction or course
To change direction or course
A change over time in the speed or direction or the speed and direction of motion.
A force that opposes motion.
A set of parts so related or interconnected that they work as a whole.
A system within a system that has its own function.
A substance (such as oil or grease) between two surfaces to reduce friction.
A test in which only one factor (variable) is changed and all other conditions are kept the same.
The ration of measurements in a representation or model of an object to the actual object.
An object's speed and direction.
The time it takes to travel between a starting point and an ending point.
At right angles.
Greatness or extend of size.
The overall force acting on an object, when all individual forces acting on the object are added together.
Forces opposite in direction and equal in magnitude; balanced forces have a net force of 0.
Forces that do not produce a net force of 0.
The force that comes from the surface on which the object is located.
A set of parts that produce a force to make an object move forward
when a force exerted on an object causes the object to move in the same direction as the force.
the capacity to move something from an at rest position. Energy has many different forms.
The energy associated with an object in motion.
The energy that is stored in an object as a result of its position or condition
A quantity whose value may change (vary) over the course of an experiment
Independent Variable (Manipulated)
in an experiment, a variable whose value is manipulated, or changed, by the experimenter, to observe its effects on another variable
Dependent Variable (Responding)
in an experiment, a variable whose value changes when the value of the independent variable is changed.
In an experiment, the variables that are kept the same each time the procedure is performed.
a prediction of what will happen between an independent variable and a dependent variable.
A general direction in which something tends to change; also, the way the dependent variable tends to change when the independent variable is changed
a force exerted by one object on a second object
the equal, but opposite, force exerted by the second object back on the first object in response to an action force
A force that acts between two objects that are directly touching. The normal force is an example of a contact force.
A force that acts between objects that are not touching. Gravity is an example of a non-contact force.
a toll used by scientists to measure the size (magnitude) of a force by how much it stretches a spring
A unit of measurement for forces.
having little or no apparent gravitational pull
the amount of matter in an object
the force of an object due to gravity
the force that draws objects together
Newton's First Law of Motion
an object at rest will remain at rest and an object in motion will remain in at a constant speed in the same direction unless an unbalanced force acts on it.
Newton's Second Law of Motion
the acceleration of an object depends on the magnitude of the net force acting on it and the mass of the object.
Newton's Third Law of Motion
for every force exerted on an object a force that is equal in magnitude and opposite in direction is also exerted by the object
A relationship between two variables in which one variable increases as the other decreases.
A relationship between two variables that increase or decrease together. (as one increases, the other increases)
A sign that gives useful information, and can be observed, measured, or calculated.
When a scientist imagines what might happen.
The tendency of an object to resist any change in its motion.
A ______________________ is a specialist who works to fill specific needs by developing new products.
An evaluation using words and descriptions, but without measurements, is considered to be ______________ data.
Measuring a vehicle's performance before making changes provides you with a ___________________________ to determine the effects of subsequent iterations on the performance of the vehicle.
standard of comparison or baseline
Force can change an object's __________________
speed and direction.
Balls and cylinders use _______________________ friction to replace ________________________ friction.
Using a scale of 1 to 36, 2 inches on a model would equal how many inches in the actual item? How many feet? How many yards?
72 inches, 6 feet, 2 yards
What is the mathematical relationship between speed, distance and time?
Speed = Distance/Time
As an object is falling from a 100 meter tall cliff, at 25 meters from the top of the cliff, the potential energy is (greater than, less than, or equal to) the kinetic energy.
The net force acting on a car is equal to the propulsion force ___________ the frictional force.
The force of friction always _____________ motion.
The "effect" variable is called the ____________________________ variable.
responding or dependent
The variable that is held constant to increase the likelihood that an experiment will be a fair test is called the ________________ variable.
A small fly collides with the windshield of a large truck. The force the truck applies on the fly is ________________ the force the fly applies on the truck's windshield. (Remember Newton's 3rd Law)
Name the Four non-contact forces.
• Gravity • Electrostatic • Magnetic • Nuclear
An object will ___________________ anytime a net force is applied to that object.
The average speed of an object is equal to the change of the distance ___________________ the elapsed time.
A car traveling 60 miles in 60 minutes has an average speed in miles per hour (mph) of _________________
According to Newton's second law of motion, for a given force, acceleration and mass are ____________________ related. (f=ma)
A runner at the end of a race is getting tired and slowing down. Which do we know about the runner's acceleration?
It is negative acceleration.
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