Grade 5: Science-SolarSystem

Question 1

The Sun is found in what Galaxy

Answer 1

Milky Way Galaxy

Question 2

The Sun is made mostly of…

Answer 2

Hydrogen (72%) and Helium (26%)

Question 3

Temperature at the center of the Sun is

Answer 3

15,000,000 C (27,000,000 F)

Question 4

What is Thermonuclear Reaction

Answer 4

When Hydrogen atoms constantly combine to form Helium atoms; which creates Heat and Light Energy

Question 5

What are the Terrestrial Planets

Answer 5

4 planets closest to the Sun: Mercury, Venus, Earth and Mars

Question 6

Name the 4 planets in the order closest to the Sun

Answer 6

Mercury, Venus, Earth, Mars

Question 7

Describe Mercury planet

Answer 7

closest to the Sun, smaller than Earth, Mercury has no Satellite (moon), has many craters, no water or atmosphere, side facing the Sun is very Hot and dark side is very Cold

Question 8

Describe Venus

Answer 8

2nd planet from the Sun, size of Earth, no satellite, no liquid water on Venus, dense clouds (of carbon dioxide), very dry and cracked with many volcanoes

Question 9

Describe Earth

Answer 9

3rd planet from the Sun, mild temperature all the time, has a satellite called the Moon (or Luna), has liquid water, has life.

Question 10

Earth’s atmosphere is made up of…

Answer 10

Nitrogen and Oxygen

Question 11

Moon orbits the Earth

Answer 11

once a month

Question 12

Moon is responsible for what on Earth

Answer 12

Tides in Earth’s Oceans

Question 13

Earth is how far from the Sun

Answer 13

150 Million Kilometers (93 Million Miles)

Question 14

Describe the Sun

Answer 14

The Sun is a very big Star that gives out heat and light and it is made out of 72% Hydrogen and 26% Helium

Question 15

What is the Solar System

Answer 15

the Solar System contains Terrestial Planets, Gas Giants, the Sun, Asteroid Belts, Moons and Comets

Question 16

Which Planets are Gas Giants

Answer 16

Jupiter, Saturn, Uranus, Neptune

Question 17

What is the Kuiper Belt and what is found there

Answer 17

It has all the dwarf planets (Pluto, Eris), and comets, metal, dusts

Question 18

Which Planet has the most Satellites orbiting

Answer 18

Jupiter has the most moon; 63 Moons

Question 19

How are asteroids and comets alike and different

Answer 19

They are both chunks of rocks. Comets look like dirty snow balls and asteroids look like rocks

Question 20

The Sun is _____ ______, composed mostly of ____ ( __ %) and ____ ( __ %) around which the ____ ___ ____ _____

Answer 20

The Sun is average star, composed mostly of Hydrogen ( 72%) and Helium ( 26%) around which the other solar system bodies revolve around

Question 21

The ___ ___ is the ___ and all the __ that ___ it including __ and their ___, ___, and ____

Answer 21

The Solar Systems is the Sun and all the bodies that orbit it including planets, and their moons, asteroids, and comets

Question 22

Define Gravity

Answer 22

the force of attraction between two objects.

Larger objects, like the Sun, have a greater force of gravity

Question 23

Gravity pulls….

Answer 23

Gravity pulls on planets with a force which changes the planets’ direction of travel from a straight line into a circle

Question 24

Name the planets in the order of size (from largest to smallest diameter)

Answer 24

Jupiter, Saturn, Uranus, Neptune, Earth, Venus, Mars, Mercury

Question 25

Name the planets in the order of shortest to longest orbit time

Answer 25

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

Question 26

Name the planets in the order of closest to farthest from the Sun

Answer 26

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

Question 27

Name the planets in the order of the highest to lowest surface temperature

Answer 27

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune