SI Units
units for mass
kilograms
Astronauts are people who go to _____ _____.
Astronauts are people who go to outer space.
Earth
On the picture, is B sinking or floating?
sinking
instrument used to measure mass
a scale
ISS is an acronym for _________ _____ _______.
International Space Station
label D on the picture
moon
On the picture, is A sinking or floating?
floating
units for weight
Netwons
Weight is the amount of _____ on an object caused by the force of gravity.
Weight is the amount of force on an object caused by the force of gravity.
label A on the picture
orbit
When water is pushed out of the way it creates upthrust. What is this called?
displacement
instrument used to measure weight
force meter
Astronauts in space don't feel any weight because they are falling around the Earth. What is this called?
weightlessness
label B on the picture
gravity
Label A on the picture
displacement
Mass is the amount of ______ in an object.
Mass is the amount of matter in an object.
____ _______ is only possible if you are very far from Earth.
zero gravity
label C on the picture
velocity
Label B on the picture
gravity