WorksheetsSemester Review (Fall 2020)
Total questions: 10
Worksheet time: 5mins
In order for an object to speed up, the direction of the force should be applied:
in any direction
in the same direction as the object's motion
in the opposite direction of the object's motion
In order for an object to stop moving, the force must come from:
any direction
the same direction as the object's motion
the opposite direction as the object's motion
A push or pull that can cause motion.
force
speed
cause
velocity
_____________ is the force that slows the motion between touching objects.
gravity
friction
pull
push
The motion of an object depends on the_____ of the object and the amount of ____ used.
outside and equal
force and Sir Isaac Newton
mass and force
In a collision, both objects experience a force that pushes them in the ______________direction with the ______________strength.
same, unequal
opposite, unequal
same, same
opposite, same
A healthy __________________ has various helpful types of bacteria.
nanometer
microbiome
micrometer
computer
Antibiotics reduce the number of ________ and harmful bacteria in the microbiome.
dangerous
single-cell
microscopic
helpful
Living things with ________ than normal helpful bacteria in their guts can become infected more easily because there is more food and space available for harmful bacteria.
fewer
more
Is it possible for there to be bacteria or fungus to be growing on something without it being visible to the naked eye?
Yes, bacteria and fungi are microscopic.
No, we should see it if it is there.
