PLANETS AND SOLAR SYSTEM (LESSON 1)

Question 1

WHAT IS THE SOLAR SYSTEM?

Answer 1

-Consists of a central star (the sun), the eight planets orbiting the sun, moons, asteroids, comets, meteors, interplanetary gas, dust and all the space between them.

Question 2

WHAT ARE THE 8 PLANETS OF THE SOLAR SYSTEM NAMED FOR?

Answer 2

The 8 planets of the solar system are named for greek and roman Godesses.

Question 3

WHAT ARE THE INNER PLANETS (TERRESTRIAL) ?

Answer 3

Mercury, Mars, Venus, Earth

Question 4

WHAT ARE THE OUTER PLANETS (JOVIAN) ?

Answer 4

Jupiter, Uranus, Saturn, Neptune

Question 5

WHAT IS THE SHAPE OF THE ORBIT?

Answer 5

ELLIPTICAL ORBIT

Question 6

WHERE DOES THE SUN’S ENERGY COMES FROM?

Answer 6

The sun’s energy comes from NUCLEAR FUSION (where hydrogen is converted to helium) within its core. The energy is released in form of HEAT and LIGHT.

Question 7

(TRUE OR FALSE)
- STARS PRODUCE LIGHT, PLANETS REFLECT LIGHT

Answer 7

TRUE

Question 8

(TRUE OR FALSE)
A star’s temperature determines its color. the coldest stars are BLUE. The hottest stars are RED.

Answer 8

FALSE
(THE COLDEST STARS ARE RED, HOTTEST STARS ARE BLUE)

Question 9

(TRUE OR FALSE)
PLANETS ARE CATEGORIZED ACCORDING TO COMPOSITION AND SIZE.

Answer 9

TRUE

Question 10

GIVE CHARACTERISTICS OF SMALL ROCKY PLANET

Answer 10

• MADE UP MOSTLY OF ROCK AND METAL
• VERY HEAVY
  -MOVE SLOWLY IN SPACE
  -HAVE NO RINGS AND FEW MOONS
  -HAVE A DIAMETER OF LESS THAN 13,000KM

Question 11

GIVE CHARACTERISTICS OF GAS GIANTS

Answer 11

• MADE UP OF GASES (PRIMARILY HYDROGEN AND HELIUM)
• VERY LIGHT FOR THEIR SIZE
• HAVE RINGS AND MANY MOONS
• MOVE QUICKLY IN SPACE

Question 12

DESCRIBE MERCURY

Answer 12

• NEAREST PLANET TO THE SUN (SMALLEST PLANET)
• HAS A REVOLUTION PERIOD OF 88 DAYS
• HAS EXTREME TEMPERATURE FLUCTUATION RANGING FROM 800 DEGREE F(DAYTIME) TO -270 DEGREE F (NIGHT TIME)
  -SHORTEST REVOLUTION
  -PRESENCE OF ICE

Question 13

DESCRIBE VENUS

Answer 13

• THE BRIGHTEST OBJECT IN THE SKY THAT IS VISIBLE TO OUR NAKED EYE
• MAXIMUM SURFACE TEMPERATURE MAY REACH 900 DEGREES F.
• HOTTEST PLANET
• HAS NO MOON AND TAKES 225 DAYS TO COMPLETE AN ORBIT

Question 14

DESCRIBE EARTH

Answer 14

• 3RD PLANET FROM THE SUN
  -BLUE LIVING PLANET BECAUSE OF 71% COMPOSED OF WATER
• HAS ONE MOON

Question 15

DESCRIBE MARS

Answer 15

• 4TH PLANET FROM THE SUN
• HAS TWO MOONS
• HAS THE LARGEST VOLCANO IN OUR SOLAR SYSTEM: OLYMPU MONS (15 MILES HIGH)
  KNOWN AS THE “ROCKY RED PLANET”

Question 16

DESCRIBE JUPITER

Answer 16

• THE LARGEST AND MOST MASSIVE PLANET
  -HAS 16 KNOWN MOONS

Question 17

DESCRIBE SATURN

Answer 17

• CALLED AS THE “RING PLANET”
• HAS 18 MOONS

Question 18

DESCRIBE URANUS

Answer 18

-IT’S BLUE BECAUSE OF METHANE GAS
- HAS 21 MOONS

Question 19

DESCRIBE NEPTUNE

Answer 19

-8TH PLANET FROM THE SUN
- URANUS AND NEPTUNE ARE MOSTLY THE SAME “SISTER/TWIN PLANET”
- HAS 8 MOONS