WorksheetsScience Space Study Guide Unit 1
Total questions: 11
Worksheet time: 6mins
Gravity is the force that pulls objects towards the center of the _________?
Earth
Sun
Moon
The motions within both galaxies and the solar system are determined by a contribution of ________ and other forces.
gravity
friction
electricity
Increasing the mass of both objects has the greatest effect on the ________ force between two objects in space.
gravitational
electrostatic
nuclear
The gravitational force between two objects is directly proportional to the product of their ________ and inversely proportional to the square of the ________ between them.
masses, distance
volumes, area
temperatures, time
The cause of tides is the ________ of the moon.
gravitational pull
rotation
color
The earth revolves around the sun because the Sun is ________ and is more massive and has greater ________ pull.
stationary, gravitational
moving, magnetic
fixed, centrifugal
The role of gravity in the motions within galaxies and the solar system is that gravity ______ the objects towards each other.
pulls
pushes
ignores
The amount of gravitational pull between two objects depends on ______ and ______.
mass and distance
volume and area
temperature and pressure
Gravity is important in understanding the motions within galaxies and the solar system because gravity keeps the planets in ______ around the sun.
orbit
collision
chaos
As the distance between two objects increases, the gravity between them ______.
decreases
increases
remains the same
If gravity suddenly ceased to exist, objects would float into space in a ______ line.
straight
curved
zigzag
