Cambridge Primary 5 Science: Earth, Sun and Moon This lesson quiz helps learners explain day and night, apparent movement of the Sun, and basic Earth-Moon-Sun relationships.
Use the model. What causes day and night?
A
the Sun going around Earth every day
B
Earth rotating on its axis
C
clouds covering the Sun only
D
the Moon blocking Earth every night
Explanation
Earth rotation causes different sides to face the Sun.
How long does Earth take to rotate once?
A
about 24 minutes
B
about one year exactly for one spin
C
about 24 hours
D
about one month
Explanation
One rotation is about one day.
What is an axis?
A
a dissolved solid
B
a sound wave
C
a type of shadow
D
an imaginary line through Earth that it rotates around
Explanation
Earth spins around its axis.
Why does the Sun appear to move across the sky?
A
Earth rotates
B
The Moon pushes it
C
Light bends randomly
D
The Sun orbits Earth each day
Explanation
Apparent daily motion is due to Earth rotation.
Which direction does the Sun generally appear to rise?
A
west
B
east
C
south only
D
north only
Explanation
The Sun appears to rise in the east.
Which direction does the Sun generally appear to set?
A
north only
B
east
C
west
D
straight upward
Explanation
It appears to set in the west.
What does the Moon orbit?
A
a shadow
B
Mars only
C
the classroom
D
Earth
Explanation
The Moon is Earthβs natural satellite.
About how long does the Moon take to orbit Earth?
A
about one month
B
about one hour
C
about one day
D
about one year for each orbit
Explanation
The lunar orbit is roughly a month.
Why does the Moon appear to change shape?
A
The Moon melts and freezes
B
We see different lit parts as it orbits Earth
C
The Moon physically changes shape every night
D
Clouds cut pieces off it
Explanation
Moon phases depend on the visible sunlit portion.
What is a full Moon?
A
Earth has stopped rotating
B
The Moon has become larger
C
The visible side is fully lit from Earth
D
The Moon is producing sunlight
Explanation
A full Moon shows a fully illuminated disk.
What is a new Moon?
A
The Moon is destroyed
B
The Moon disappears forever
C
The Sun stops shining
D
The lit side faces mostly away from Earth
Explanation
The Moon is near the Sunβs direction in the sky.
What does Earth orbit?
A
the Sun
B
the Moon
C
Jupiter only
D
a compass
Explanation
Earth travels around the Sun.
How long does Earth take to orbit the Sun once?
A
about one month
B
about one year
C
about one minute
D
about one day
Explanation
One orbit defines a year.
Why are shadows shortest near midday?
A
Earth stops moving
B
The Moon is full
C
The Sun is highest in the sky
D
The Sun is below the horizon
Explanation
High Sun angle gives shorter shadows.
Why are shadows longer in the morning and evening?
A
Gravity is weaker
B
Sound is louder
C
Objects become taller
D
The Sun is lower in the sky
Explanation
Low-angle light makes longer shadows.
Which object is a star?
A
Sun
B
Earth
C
cloud
D
Moon
Explanation
The Sun is a star.
Which object is a planet?
A
Sun
B
Earth
C
shadow
D
Moon
Explanation
Earth is a planet orbiting the Sun.
Which object is a natural satellite?
A
lamp
B
Sun
C
Moon
D
cloud
Explanation
The Moon orbits Earth naturally.
Which model best explains day and night?
A
a sieve separating sand
B
a guitar string vibrating
C
a filter funnel
D
a globe rotating beside a lamp
Explanation
The lamp can represent the Sun and the globe Earth.
Which summary is correct?
A
Earth rotates for day and night, orbits the Sun, and the Moon orbits Earth
B
Earth does not move
C
The Moon makes its own sunlight
D
The Sun orbits Earth each day
Explanation
This is the correct relationship.