MWG #1
Measures the amount of matter an object contains
Mass
Measures the amount of gravity that pulls on an object
Weight
a property of an object that doesn't change when moved to another location
Mass
A property of an object that changes when you move its location
weight
A force that pulls on an object based on its mass
Gravity
Instrument that measures mass
Beam Balance / Top-Pan Balance
Instrument for Measuring Weight
Spring Balance / Force Meter / Newton Meter
unit of measure for mass
Kilogram or Gram
unit of measure for weight
Newton
unit of measure for strength of gravity
Newton per kilogram (N/kg)
increases as mass increases
Gravitational force
decreases as distance increases
Gravitational force
the path that an object moves around another object
orbit
turning on an axis
rotation
the pathway that an object takes to move around the sun
Orbit
A piece of equipment helps the scientists to see the stars forming more clearly
Telescope
How long does it take the Earth to revolve around the sun?
365.25 days
Discovered the Universal Law of Gravitational Force
Isaac Newton
A force that pulls an object based on its moving charges
Magnetic Force
Why does the moon revolves around the earth?
Gravitational Force between the Earth and the moon.
(The moon has less gravitational pull than the Earth.)
A frictional force that reduces the speed of moving objects on Earth
Air Resistance
Shape of a planet's orbit around the sun
Elliptical (Circular)
Name for a cloud of dust and gas in space
Nebula
Scientists use computers to _____ the formation of the Solar System.
model