7th Grade Solar System Review

Question 1

an astronaut weighs 280 lbs on Earth and weighs 1/6 less on the moon, what would his weight be?

Accepted Answer

46.67 lb

Question 2

inner planets are:

Accepted Answer

Mercury, Venus, Earth and Mars

Question 3

What celestial objects separate the inner from the outer planets?

Accepted Answer

asteroid belt

Question 4

an astronaut weighs 180 lbs of Earth, his weight is 3/8ths of that on Mars,what's his weight?

Accepted Answer

67.5 lbs

Question 5

What is the name of the sister planet of Earth?

Accepted Answer

Venus

Question 6

Outer planets are also known as ___________________

Accepted Answer

gas giants

Question 7

an astronaut weighs 180 lbs on Earth and weighs 1/6 less on the moon, what would his weight be?

Accepted Answer

30 lbs

Question 8

inner planets are also known as ______________

Accepted Answer

rocky planets

Question 9

an astronaut weighs 280 lbs of Earth, his weight is 3/8ths of that on Mars,what's his weight?

Accepted Answer

105 lbs

Question 10

Move in a circular motion around an axis or center is called __________

Accepted Answer

rotation

Question 11

If an astronaut lands on the moon ___________ would change and ___________ would stay the same.

Accepted Answer

weight, mass

Question 12

What is the name of our galaxy?

Accepted Answer

Milky Way

Question 13

the curved path of a celestial object around another object

Accepted Answer

orbit

Question 14

On another planet __________ would change due to a change in the amount of gravity.

Accepted Answer

weight

Question 15

An ellipse is similar to what shape?

Accepted Answer

An oval

Question 16

Which of the following changes when gravity is taken away or reduced?

Accepted Answer

weight

Question 17

the measure of the force of gravity on an object

Accepted Answer

weight

Question 18

____________ is a range that shows us how things relate to one another.

Accepted Answer

scale

Question 19

True or false: scale is a range that shows us how things relate to one another.

Accepted Answer

True

Question 20

how much matter an object contains

Accepted Answer

mass

Questions 20