Gravity
The most massive object in the solar system is
Sun
What is the definition of orbit?
all of the planets, moon, and other space objects going around the sun
A unit used to measure energy
Joule
All Changes in motion require the input of a
Force
What action represents a push? **
sweeping the floor
Which famous scientist developed fundamental ideas about forces in the Universe?
Sir Isaac Newton
What is the center of our solar system?
The Sun
Energy of motion
Kinetic
Force is measured in units called
Newtons
The rate of change of position with respect to time.
Speed
What force keeps you on the ground?
gravity
What describes the earth going around the sun?
Revolution
Stored energy is
Potential
Which scientist discovered laws explaining gravity?
Sir Isaac Newton
The sixth planet from the Sun; known for its large rings.
saturn
What controls the motion of our solar system?
Gravity
this is the planet from the sun; it is very hot in the day and very cold in the night.
Mercury
A system is
a group of interacting or interdependent parts forming a complex whole
The rate of change of position with respect to time is
speed
This is the eighth (last) planet from the Sun; it is deep dark blue in color.
neptune
Carpet has ___than a smooth glass surface
more friction
The fourth planet from the Sun; also known as the "red planet"
Mars
A physical variable is something that
is measurable and can change
A graph in which the data are represented by points connected by one or more lines.
line graph
Which planet has the most gravity?
Jupiter