jeerapat lommahadthai
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
---|---|---|---|---|---|
Reference point | is the starting point you choose to describe the location, or position of an object.
🗑
|
||||
Position | is an object distance and direction from the reference point
🗑
|
||||
Motion | is a process of changing position
🗑
|
||||
Displacement | is a different between the initial and the final position of an object
🗑
|
||||
Speed | A measure of distance an object travel per unit of time
🗑
|
||||
Constance speed | is a rate of change of position in which the same distance is travel each second
🗑
|
||||
Instantaneous speed | is speed at a specific instant in time
🗑
|
||||
Average speed | is the total distance traveled divided by a total time taken to travel that distance.
🗑
|
||||
Velocity | is the speed and direction of a moving object
🗑
|
||||
Acceleration | is a measure of change in velocity during a period of time
🗑
|
||||
Force | a push or pull on an object
🗑
|
||||
Contract force | a push or a pull on one object by another object that is touching it
🗑
|
||||
Non contract force | a force that one object applies to another object without touching it
🗑
|
||||
Gravity | an attractive force that exists between all objects that have mass
🗑
|
||||
Mass | the amount of matter in an object
🗑
|
||||
Weight | the gravitational force exerted on an object.
🗑
|
||||
Friction | the gravitational force exerted on an object.
🗑
|
||||
Net force | the combination of all the forces acting on an object
🗑
|
||||
Balanced forces |
Balanced forces
🗑
|
||||
Unbalanced forces | forces acting on an object that combine and form a net force that is not zero
🗑
|
||||
Newton’s first law | law that states that if the net force acting on an object is zero, the motion of the object does not change
🗑
|
||||
Inertia | the tendency of an object to resist a change in motion
🗑
|
||||
Newton’s Second law | law that states that the acceleration of an object is equal to the net force exerted on the object divided by the object's mass
🗑
|
||||
Circular motion | law that states that the acceleration of an object is equal to the net force exerted on the object divided by the object's mass
🗑
|
||||
Centripetal | in circular motion, a force that acts perpendicular to the direction of motion, toward the center of the curve.
🗑
|
||||
Newton’s third law | law that states that for every action there is an equal and opposite reaction
🗑
|
||||
Force pair | the forces two objects apply to each other
🗑
|
||||
Momentum | a measure of how hard it is to stop a moving object.
🗑
|
||||
Law of conservation of momentum | a principle stating that the total momentum of a group of objects stays the same unless outside forces act on the objects.
🗑
|
||||
Sound wave | a longitudinal wave that can travel only through matter
🗑
|
||||
Pitch | the perception of how high or low a sound is; related to the frequency of a sound wave
🗑
|
||||
Echo | a reflected sound wave
🗑
|
||||
Energy | the ability to cause change.
🗑
|
||||
Kinetic energy | energy due to motion
🗑
|
||||
Electric energy | energy carried by an electric current.
🗑
|
||||
Potential energy | stored energy due to the interactions between objects or particles.
🗑
|
||||
Chemical energy | energy that is stored in and released from the bonds between atoms.
🗑
|
||||
Nuclear energy | energy stored in and released from the nucleus of an atom.
🗑
|
||||
Mechanical energy | energy stored in and released from the nucleus of an atom.
🗑
|
||||
Thermal energy | the sum of the kinetic energy and the potential energy of the particles that make up an object.
🗑
|
||||
Sound energy | energy carried by sound waves.
🗑
|
||||
Seismic energy | the energy transferred by waves moving through the ground.
🗑
|
||||
Radiant energy | energy carried by an electromagnetic wave.
🗑
|
||||
Energy transformation | - the conversion of one form of energy to another.
🗑
|
||||
Law of conservation of energy - | law that states that energy can be transformed from one form to another, but it cannot be created or destroyed
🗑
|
||||
Work | the amount of energy used as a force moves an object over a distance.
🗑
|
||||
Simple machines | a machine that does work using one movement.
🗑
|
||||
Inclined plane | a simple machine that consists of a ramp, or a flat, sloped surface.
🗑
|
||||
Screw | a simple machine that consists of an inclined plane wrapped around a cylinder.
🗑
|
||||
Wedge | a simple machine that consists of an inclined plane with one or two sloping sides; it is used to split or separate an object.
🗑
|
||||
Lever | a simple machine that consists of a bar that pivots, or rotates, around a fixed point.
🗑
|
||||
Wheel and axle | a simple machine that consists of an axle attached to the center of a larger wheel, so that the shaft and wheel rotate together.
🗑
|
||||
Pulley | a simple machine that consists of a grooved wheel with a rope or cable wrapped around it.
🗑
|
||||
Complex machines | two or more simple machines working together.
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
jeelom11
Popular Science sets