Stars and Galaxies: An Exploration of the Universe for 1st Graders

Question 1

Which of these stars is the hottest?

Accepted Answer

Blue giant

Answer

Red dwarf

Answer

Yellow dwarf

Answer

White dwarf

Question 2

Galaxies can be of various shapes. Which of these is NOT a possible shape for a galaxy?

Accepted Answer

Rectangular

Answer

Spiral

Answer

Elliptical

Answer

Irregular

Question 3

What is the term for the center of a galaxy?

Accepted Answer

Nucleus

Answer

Supernova

Answer

Black hole

Answer

Quasar

Question 4

Which of these stars is closest to our planet Earth?

Accepted Answer

Proxima Centauri

Answer

Sirius

Answer

Polaris

Answer

Betelgeuse

Question 5

What do we call the vast space that contains all the galaxies?

Accepted Answer

Universe

Answer

Atmosphere

Answer

Solar System

Answer

Galaxy

Question 6

Which tool do astronomers use to study stars and other objects in the sky?

Accepted Answer

Telescope

Answer

Microscope

Answer

Binoculars

Answer

Periscope

Question 7

Which is the brightest star we see in the night sky?

Accepted Answer

Sirius

Answer

Vega

Answer

Polaris

Answer

Betelgeuse

Question 8

Besides Red Dwarf, Blue Giant, and Yellow Dwarf, which is NOT a type of star?

Accepted Answer

Black Hole

Answer

White Dwarf

Answer

Neutron Star

Answer

Brown Dwarf

Question 9

What is the name of the galaxy that our solar system belongs to?

Accepted Answer

Milky Way Galaxy

Answer

Andromeda Galaxy

Answer

Sombrero Galaxy

Answer

Whirlpool Galaxy

Question 10

Which type of galaxy is the smallest?

Accepted Answer

Dwarf Galaxy

Answer

Elliptical Galaxy

Answer

Spiral Galaxy

Answer

Irregular Galaxy

Question 11

Is the sun a star or a planet?

Accepted Answer

Star

Answer

Planet

Question 12

What force pulls objects, like the Earth, towards the sun?

Accepted Answer

Gravity

Answer

Magnetism

Answer

Electricity

Answer

Friction

Question 13

Which of these is NOT a celestial body in space?

Accepted Answer

Cloud

Answer

Moon

Answer

Star

Answer

Galaxy

Question 14

How many planets are there in our solar system (including Earth)?

Accepted Answer

8

Answer

7

Answer

9

Answer

10

Question 15

What tool do astronomers use to see and study stars and galaxies?

Accepted Answer

Telescopes

Answer

Microscopes

Answer

X-rays

Answer

Sound waves

Question 16

Which of the following is a well-known constellation?

Accepted Answer

Ursa Major

Answer

North Star

Answer

Solar System

Answer

Milky Way

Question 17

Stars come in different colors. Which color would a very hot star appear?

Accepted Answer

Blue

Answer

Red

Answer

Orange

Answer

Yellow

Question 18

What is the name of the force that makes galaxies stick together?

Accepted Answer

Gravity

Answer

Electromagnetism

Answer

Nuclear force

Answer

Weak force

Question 19

Which of the following is NOT a shape of a galaxy?

Accepted Answer

Square

Answer

Spiral

Answer

Elliptical

Answer

Irregular

Question 20

What is the name of the theory that explains how the universe started?

Accepted Answer

Big Bang Theory

Answer

Steady State Theory

Answer

Black Hole Theory

Answer

Quantum Theory

Question 21

Which of the following is the biggest thing in the universe?

Accepted Answer

Supercluster

Answer

Star cluster

Answer

Galaxy

Answer

Solar system

Question 22

What is the name of the supercluster that contains our Milky Way galaxy?

Accepted Answer

Laniakea

Answer

Virgo

Answer

Coma

Answer

Hercules

Question 23

Galaxies can have billions of stars. What is the name of the black hole that is often found in the center of a galaxy?

Accepted Answer

Supermassive black hole

Answer

Stellar black hole

Answer

Intermediate black hole

Answer

Mini black hole

Question 24

What is the name of the process by which stars are born?

Accepted Answer

Star formation

Answer

Supernova

Answer

Nebula

Answer

Nova

Question 25

Which type of star is hotter, a red dwarf or a blue supergiant?

Accepted Answer

Blue supergiant

Answer

Red dwarf

Answer

White dwarf

Answer

Yellow star

Question 26

Our solar system is in a spiral galaxy. What does this type of galaxy look like?

Accepted Answer

A flat disk with arms spinning around the center

Answer

An oval

Answer

No definite shape

Answer

A lens shape with no arms

Question 27

Which is the biggest star in our solar system?

Accepted Answer

Sun

Answer

Moon

Answer

Jupiter

Answer

Mars

Question 28

Which type of star burns the brightest?

Accepted Answer

Blue Supergiant

Answer

Red Dwarf

Answer

White Dwarf

Answer

Neutron Star

Question 29

What do you call a group of stars that form a shape or pattern in the night sky?

Accepted Answer

Constellation

Answer

Galaxy

Answer

Planet

Question 30

What is the name of the big, bright star that we can see in the sky during the daytime?

Accepted Answer

Sun

Answer

Moon

Answer

Mars

Answer

Jupiter

Question 31

Why do stars seem to flicker in the night sky?

Accepted Answer

Because the air around Earth bends the light from the stars.

Answer

Because they are actually moving around in space.

Question 32

What are the large, glowing clouds in space that galaxies are formed from?

Accepted Answer

Nebulae

Answer

Stars

Answer

Planets

Question 33

When a star like our sun runs out of fuel, what does it become?

Accepted Answer

A white dwarf

Answer

A red giant

Answer

A black hole

Answer

A neutron star

Question 34

What are stars mostly made of?

Accepted Answer

Gas

Answer

Ice

Answer

Rock

Answer

Water

Question 35

Which of the following is NOT a type of star?

Accepted Answer

Planet

Answer

Red dwarf

Answer

White dwarf

Answer

Blue giant

Question 36

What is a galaxy?

Accepted Answer

A group of stars

Answer

A group of planets

Answer

A group of moons

Answer

A group of asteroids

Question 37

What is the name of the galaxy that our solar system is a part of?

Accepted Answer

Milky Way

Answer

Andromeda Galaxy

Answer

Triangulum Galaxy

Answer

Messier 87 Galaxy

Question 38

What is the name of the process by which stars are formed?

Accepted Answer

Star formation

Answer

Galaxy formation

Answer

Supernova

Answer

Black hole formation

Question 39

Which of these is the hottest type of star?

Accepted Answer

Blue giant

Answer

Red dwarf

Answer

White dwarf

Answer

Neutron star

Question 40

Which of these is NOT a type of galaxy?

Accepted Answer

Rectangular

Answer

Spiral

Answer

Elliptical

Answer

Irregular

Question 41

What is the name of the theory that explains the origin and evolution of the universe?

Accepted Answer

Big Bang Theory

Answer

Einstein's Theory of Relativity

Answer

Quantum Theory

Answer

Newton's Laws of Motion

Question 42

What are stars made of?

Accepted Answer

Gas and dust

Answer

Rock and ice

Answer

Metal and water

Answer

Plastic and paper

Question 43

What pulls stars together to make galaxies?

Accepted Answer

Gravity

Answer

Wind

Answer

Light

Answer

Water

Question 44

The stars in the universe are moving farther away from each other. What does this tell us about the universe?

Accepted Answer

The universe is getting bigger.

Answer

The universe is getting smaller.

Answer

The stars are not moving.

Answer

The stars are spinning.

Question 45

What is a galaxy made of?

Accepted Answer

Stars, gas, and dust

Answer

A very bright star

Answer

Our solar system

Answer

A planet with rings

Question 46

Groups of stars held together by gravity are called:

Accepted Answer

Constellations

Answer

Planets

Answer

Solar systems

Question 47

Which of these is NOT a type of star?

Accepted Answer

Black dwarf

Answer

Red dwarf

Answer

White dwarf

Answer

Blue giant

Question 48

The hottest and brightest stars are:

Accepted Answer

Blue giants

Answer

Red dwarfs

Answer

White dwarfs

Question 49

Our solar system is located in which galaxy?

Accepted Answer

Milky Way Galaxy

Answer

Andromeda Galaxy

Answer

Triangulum Galaxy

Question 50

The theory that explains the origin and evolution of the universe is called:

Accepted Answer

Big Bang Theory

Answer

Theory of Relativity

Answer

Quantum Theory

Question 51

Astronomers use a special tool called a:

Accepted Answer

Telescope

Answer

Microscope

Answer

Binoculars

Question 52

The largest objects in the universe are:

Accepted Answer

Galaxies

Answer

Stars

Answer

Planets

Question 53

Which of these stars is the biggest?

Accepted Answer

Blue giant

Answer

Red dwarf

Answer

Yellow dwarf

Answer

White star

Question 54

What is the name of our home galaxy?

Accepted Answer

Milky Way

Answer

Andromeda Galaxy

Answer

Pinwheel Galaxy

Answer

Sombrero Galaxy

Question 55

What is the very middle of our solar system?

Accepted Answer

Sun

Answer

Earth

Answer

Jupiter

Answer

Mars

Question 56

What is the name of the power that pulls things towards each other?

Accepted Answer

Gravity

Answer

Centripetal force

Answer

Magnetic force

Answer

Nuclear force

Question 57

How old do scientists think the universe is?

Accepted Answer

13.8 billion years

Answer

4.6 billion years

Answer

6,000 years

Answer

100,000 years

Question 58

What is the name of the brightest star we can see at night?

Accepted Answer

Sirius

Answer

Polaris

Answer

Betelgeuse

Answer

Vega

Question 59

What is the name of the star we see shining brightly in the sky during the day?

Accepted Answer

Sun

Answer

Moon

Answer

Polaris

Answer

Venus

Question 60

Which of these shapes is NOT a type of galaxy?

Accepted Answer

Planetary

Answer

Spiral

Answer

Elliptical

Answer

Irregular

Question 61

What is the name of the galaxy in which our solar system is located?

Accepted Answer

Milky Way

Answer

Andromeda

Answer

Whirlpool Galaxy

Answer

Large Magellanic Cloud

Question 62

Which part of a star is the hottest?

Accepted Answer

Core

Answer

Surface

Answer

Atmosphere

Answer

Corona

Question 63

What is the name of the powerful explosion that happens when a massive star dies?

Accepted Answer

Supernova

Answer

Red giant expansion

Answer

Black hole formation

Answer

Nebula creation

Question 64

What shape does a spiral galaxy have?

Accepted Answer

Flat disk with a central bulge

Answer

Irregular shape

Answer

Round shape

Answer

Elliptical shape