Solar System
Water cycle
Layers of the Atmosphere
Moon Phases
Gravity
Weather & Climate
Earthquakes

50

The planet closest to the Sun

Mercury

50

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

50

Where we live, and all weather happens.

Stratosphere, Troposphere, Exosphere, Mesosphere, Thermosphere, Ionosphere

Troposphere

50

Which phase shows the Moon fully lit?

Full Moon

50

What force pulls objects toward Earth?

Gravity

50

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  

50

Earthquakes happen because… 

A. Weather changes 

B. Tectonic plates move

C. The Moon pulls Earth 

D. Volcanoes always erupt

B. Tectonic plates move

75

Which planets are known as the 'gas giants'?

Jupiter & Saturn

75

As water vapour rises and cools, it changes back into tiny liquid droplets, forming clouds.

Evaporation, Transpiration, Condensation, Precipitation, Infiltration, Runoff, Sublimation.


Condensation

75

Calm layer, home to the ozone layer that blocks UV rays; airplanes fly here.


Stratosphere, Troposphere, Exosphere, Mesosphere, Thermosphere, Ionosphere

Stratosphere

75

Which phase comes right after a New Moon?

Waxing Crescent

75

Why do astronauts float on the ISS?

They are in free‑fall  

75

Climate describes… 

A. Today’s temperature 

B. Long‑term patterns

C. Cloud shapes 

D. Wind direction only

B. Long‑term patterns

75

The place where an earthquake starts underground is called the… 

A. Epicentre 

B. Focus

C. Fault line 

D. Crater

B. Focus

100

Which planet is famous for its large storm called the Great Red Spot?

Jupiter

100

Water soaks into the ground, replenishing soil moisture and groundwater.


Evaporation, Transpiration, Condensation, Precipitation, Infiltration, Runoff, Sublimation.

Infiltration

100

 Coldest layer; most meteors burn up here


Stratosphere, Troposphere, Exosphere, Mesosphere, Thermosphere, Ionosphere

Mesosphere

100

When the right half of the Moon is lit, what phase is it? (Southern Hemisphere)

Third Quarter / Last Quarter 

100

Which object has the strongest gravitational pull in our solar system?

The Sun

100

Which tool measures air pressure?

A. Thermometer 

B. Barometer 

C. Anemometer 

D. Rain gauge

B. Barometer

100

The point on Earth’s surface directly above the focus is the… 

A. Epicentre

B. Fault 

C. Crust 

D. Mantle

A. Epicentre

125

Which group of planets are small, rocky, and closest to the Sun?

Terrestrial planets

125

Plants release water vapour from their leaves into the air, similar to evaporation.

Evaporation, Transpiration, Condensation, Precipitation, Infiltration, Runoff, Sublimation.

Transpiration

125

Very hot but thin; auroras and the International Space Station are here.


Stratosphere, Troposphere, Exosphere, Mesosphere, Thermosphere, Ionosphere

Thermosphere

125

Which phase happens just before a New Moon?

Waning Crescent

125

If two objects have more mass, their gravitational attraction… 

A. Decreases 

B. Stays the same 

C. Increases 

D. Disappears

C. Increases  

125

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

125

What type of wave causes the most damage? 

A. P‑waves 

B. S‑waves 

C. Surface waves

D. Radio waves

C. Surface waves

150

Which planet has the longest orbit around the Sun? 

Neptune

150

When clouds become too heavy, water falls back to Earth as rain, snow, sleet, or hail.


Evaporation, Transpiration, Condensation, Precipitation, Infiltration, Runoff, Sublimation.

Precipitation

150

The outermost layer, gradually merging with outer space.

Stratosphere, Troposphere, Exosphere, Mesosphere, Thermosphere, Ionosphere

Exosphere

150

How long does it take the Moon to complete one full cycle of phases?

29.5 days

150

Why does the Moon orbit Earth?

Earth’s gravity pulls it

150

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

150

Which boundary type usually creates the strongest earthquakes? 

A. Divergent 

B. Convergent

C. Transform 

D. Hotspot

B. Convergent