The imaginary line through the center of a planet

What is an astronomical unit?

The distance from the Earth to the Sun, 150 million km

What makes planets visible in the dark?

They reflect light from the sun

an object in orbit around another object

What does gravitational force mean

the force of attraction between all objects

A massive object orbiting a star like the sun

What is a solar system

Sun and objects are bound by gravitational pull to the sun

What planets are on the inner solar system?

Earth, Venus, Mercury, and Mars

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8th Grade Earth Science 17.1

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17.1 questions

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Questions 15

Answers

1
Who was Galileo Galilei?
The inventor of the telescope
An Italian atronomer
The guy who named all the planets
2
What is the force that holds the solar system together?
gravitational force
frictional force
applied force
spring force
3
What is an axis
How many revolutions a planet makes in a year
How much a planet rotates
The imaginary line through the center of a planet
4
What is an astronomical unit?
centimeters, meters, kilometers
The distance from the Earth to the Sun
150 million km
inches, feet, yards, miles
5
What makes planets visible in the dark?
They reflect light from the sun
Planets glow in the dark
The city lights on them
They give of their own light like stars
6
What is a satellite
The force of gravity on earth
an object in orbit around another object
The plate that goes on the roof
7
What is the strength of gravity on the Moon?
14.6N/kg
34.7 pounds
1.6N/kg
8
What does gravitational force mean
The amount of force it has
How much something weighs
how fast an object falls to the ground
the force of attraction between all objects
9
What is a planet
A massive object orbiting a star like the sun
A big landmass with water on it
A big bouncy ball floating around in space
fixed luminous point in the sky that is body like the sun.
10
What is the strength of gravity on Earth's surface?
40 Newtons
20 pounds
9.8N/kg
10 centimeters
11
How many planets are in our solar system
15
8
9
1
12
What is a solar system
Sun and objects are bound by gravitational pull to the sun
planets that circle a greater planet
A machine that turns solar energy into light
13
What kind of planet is Pluto?
Pluto isn't a planet
A blue one
Asteroid
Dwarf planet
14
What is Mercury's average distance from the sun?
0.39 AU
0.4 AU
15
What planets are on the inner solar system?
Saturn, Venus, Earth, and Pluto
The sun, the moon, and the stars
Earth, Venus, Mercury, and Mars

8th Grade Earth Science 17.1 Flashcards | StudBud