Our Solar System and Beyond - Vocabulary

Question 1

What is the preceived force that exists between any two objects that have mass?

Accepted Answer

Gravity

Question 2

What is a cloud of dust particles and gas in space?

Accepted Answer

Nebula

Question 3

What is everything that exists in, on, and around the Earth?

Accepted Answer

Universe

Question 4

What is the third planet from the Sun; the planet on which we live?

Accepted Answer

Earth

Question 5

What is the circular path of an object as it revolves around another object?

Accepted Answer

Orbit

Question 6

What is a group of solar systems, dust, and gas held together by gravity?

Accepted Answer

Galaxy

Question 7

What is a massive ball of gas in outer space that gives off heat, light, and radiation?

Accepted Answer

Star

Question 8

What is a body in outer space that orbits a planet; a natural satellite?

Accepted Answer

Moon

Question 9

What is a group of related objects that work together to perform a function?

Accepted Answer

System

Question 10

What's the distance light travels in a vacuum in one year (6 trillion miles, 9.46 trillion km)?

Accepted Answer

Light year

Question 11

What is a set of statements or principles devised to explain a group of facts or phenomena?

Accepted Answer

Theory

Question 12

What is the study of the properties and behavior of bodies in outer space?

Accepted Answer

Astronomy

Question 13

What is the large, empty part of the universe that does not contain any matter?

Accepted Answer

Space

Question 14

What is an object's resistance (tendency to go against) to a change in motion?

Accepted Answer

Inertia

Question 15

What is a drawing, object, or idea that represents a real event, object, or process?

Accepted Answer

Model

Question 16

What is a system of objects that revolve around a star?

Accepted Answer

solar system

Question 17

Who stated gravity cause is space-time curvature due to uneven distribution of mass & energy?

Accepted Answer

Albert Einstein

Question 18

What is any star around which planets revolve?

Accepted Answer

Sun

Question 19

What model has the sun as the center of solar system?

Accepted Answer

Heliocentric

Question 20

Who stated more mass of objects, more attraction & closer objects are, the more attraction?

Accepted Answer

Isaac Newton

Questions 20