Please name the TYPE of motion on the picture.
Straight line
Gravity depends on ...... The bigger the ......, the stronger the gravity.
Mass
Please name the TYPE of motion on the picture.
Round and round
What is a force?
A push or a pull
What kind of surface will have low (very small) friction?
Smooth
What is this effect of force?
Causing (starting) motion
Please name the TYPE of motion on the picture.
Back and forth
Who discovered gravity?
Isaac Newton
When the DISTANCE is same, shorter time means ...
Faster speed
To throw a heavy object as far as a light object, we need more....
Force
What occurs when 2 surfaces rub against each other?
Friction
Please name the TYPE of motion on the picture.
Up and down
What tells us if the motion is fast or slow?
Speed
A force that pulls all objects to the center of the Earth is called...
Gravity
What is this effect of force?
Stops motion
Roller Coaster is only pushed in the beginning and stopped at the end. What makes is keep going in the middle are gravity and ...
Inertia
What is this effect of force?
Changing direction
What is this effect of force?
Changing shape
What kind of surface will have high (very strong) friction?
Rough
When TIME is the same, longer distance means ...
Faster speed
Please name the TYPE of motion on the picture.
Zig-zag
To calculate speed we need to know 2 things. They are:
Distance and time
Newton is famous for discovering gravity and developing Three ...
Laws of Motion
What is this effect of force?
Changing speed
Motion is described as a change of ........ of an object.
position