The planet closest to the Sun
Mercury
The sun heats water in oceans, lakes, and rivers, turning it into water vapour that rises into the atmosphere.
Evaporation, Transpiration, Condensation, Precipitation, Infiltration, Runoff, Sublimation.
Evaporation
Where we live, and all weather happens.
Stratosphere, Troposphere, Exosphere, Mesosphere, Thermosphere, Ionosphere
Troposphere
Which phase shows the Moon fully lit?
Full Moon
What force pulls objects toward Earth?
Gravity
Weather describes conditions…
A. Over a long time
B. Over a short time
C. Only in summer
D. Only in winter
B. Over a short time
Earthquakes happen because…
A. Weather changes
B. Tectonic plates move
C. The Moon pulls Earth
D. Volcanoes always erupt
B. Tectonic plates move
Which planets are known as the 'gas giants'?
Jupiter & Saturn
As water vapour rises and cools, it changes back into tiny liquid droplets, forming clouds.
Evaporation, Transpiration, Condensation, Precipitation, Infiltration, Runoff, Sublimation.
Condensation
Calm layer, home to the ozone layer that blocks UV rays; airplanes fly here.
Stratosphere, Troposphere, Exosphere, Mesosphere, Thermosphere, Ionosphere
Stratosphere
Which phase comes right after a New Moon?
Waxing Crescent
Why do astronauts float on the ISS?
They are in free‑fall
Climate describes…
A. Today’s temperature
B. Long‑term patterns
C. Cloud shapes
D. Wind direction only
B. Long‑term patterns
The place where an earthquake starts underground is called the…
A. Epicentre
B. Focus
C. Fault line
D. Crater
B. Focus
Which planet is famous for its large storm called the Great Red Spot?
Jupiter
Water soaks into the ground, replenishing soil moisture and groundwater.
Evaporation, Transpiration, Condensation, Precipitation, Infiltration, Runoff, Sublimation.
Infiltration
Coldest layer; most meteors burn up here
Stratosphere, Troposphere, Exosphere, Mesosphere, Thermosphere, Ionosphere
Mesosphere
When the right half of the Moon is lit, what phase is it? (Southern Hemisphere)
Third Quarter / Last Quarter
Which object has the strongest gravitational pull in our solar system?
The Sun
Which tool measures air pressure?
A. Thermometer
B. Barometer
C. Anemometer
D. Rain gauge
B. Barometer
The point on Earth’s surface directly above the focus is the…
A. Epicentre
B. Fault
C. Crust
D. Mantle
A. Epicentre
Which group of planets are small, rocky, and closest to the Sun?
Terrestrial planets
Plants release water vapour from their leaves into the air, similar to evaporation.
Evaporation, Transpiration, Condensation, Precipitation, Infiltration, Runoff, Sublimation.
Transpiration
Very hot but thin; auroras and the International Space Station are here.
Stratosphere, Troposphere, Exosphere, Mesosphere, Thermosphere, Ionosphere
Thermosphere
Which phase happens just before a New Moon?
Waning Crescent
If two objects have more mass, their gravitational attraction…
A. Decreases
B. Stays the same
C. Increases
D. Disappears
C. Increases
What usually causes wind?
A. Earth’s rotation
B. Differences in air pressure
C. The Moon’s gravity
D. Ocean tides
B. Differences in air pressure
What type of wave causes the most damage?
A. P‑waves
B. S‑waves
C. Surface waves
D. Radio waves
C. Surface waves
Which planet has the longest orbit around the Sun?
Neptune
When clouds become too heavy, water falls back to Earth as rain, snow, sleet, or hail.
Evaporation, Transpiration, Condensation, Precipitation, Infiltration, Runoff, Sublimation.
Precipitation
The outermost layer, gradually merging with outer space.
Stratosphere, Troposphere, Exosphere, Mesosphere, Thermosphere, Ionosphere
Exosphere
How long does it take the Moon to complete one full cycle of phases?
29.5 days
Why does the Moon orbit Earth?
Earth’s gravity pulls it
What is the main reason different parts of Earth have different climates?
A. Distance from the Moon
B. Earth’s tilt and sunlight angle
C. Shape of continents
D. Number of clouds
B. Earth’s tilt and sunlight angle
Which boundary type usually creates the strongest earthquakes?
A. Divergent
B. Convergent
C. Transform
D. Hotspot
B. Convergent