School Related

Definitions

100

What is the definition of Earth?

the planet on which we live; the world.

200

What is the definition of Atmosphere?

the envelope of gases surrounding the earth or another planet.

300

What is the definition of the sun?

the star around which the earth orbits.

400

What is the definition of life?

the condition that distinguishes animals and plants from inorganic matter, including the capacity for growth, reproduction, functional activity, and continual change preceding death.

500

What is the definition of the solar system?

1. 
   

   the collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets. The planets of the solar system are (in order of distance from the sun) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.

   
   

Adding integers

100

-5+2

-3

200

10+-9

1

300

-30+(-6)

-36

400

50+-39

11

500

-159+36

-123

Subtracting integers

100

-9-23

-32

200

10--2

12

300

45--36

81

400

82--2

84

500

-156--346

190