Nature and plants
What gas do plants release into the air during photosynthesis?
Oxygen
What is the largest and heaviest land mamal on Earth?
Elephant
How many oceans and continents are there on planet Earth?
5 oceans and 7 continents
What from of precipitation falls as water droplets from condensed water veapon in clouds?
Rain
What is the process of converting waste materials ( like plastic,paper and glass) into new reusable products?
Recycling
What is the tallest and largest type of tree species in the world?
Redwood(sequoia)
Which flightless bird is an excellent swimmer and mostly lives in Antarctica?
Penguin
What is the highest mountain peak in the world, and in which mountain range is it located?
Mount Everest, located in the Himalayas
What instrument is used to measure air temperature?
Thermometer
What is the collective term for all the water found on Earth (oceans, rivers, likes and ice) ?
Hydrosphere
Which plant can store water for a long time and has spines instead of leaves to survive in deserts ?
Cactus
What is the fastest land animal, capable of running up to 100-200 km/h?
Cheetah
What is the largest hot desert in the world?
The Sahara desert
What colorful arc appears in the sky when sunlight refracts through raindrops?
Rainbow
What is the term for the large- scale clearing or cutting down of forests?
Deforestation
What is the scientific study of plants called?
Botany
What is the largest animal ever known to have lived on Earth?
Blue whale
What is considered the longest river in the world?
The Nile River
What instrument is used to measure atmospheric pressure?
Barometer
What is the term for the gradual rise in Earth's average temperature due to greenhouse gases?
Global warming
What is the name of the green pigment in leaves that absorb sunlight for photosynthesis?
Chlorophyll
What are cold-blooded animals that can live both in water and on land called?
Amphibians
What is the sudden shaking of the Earth's surface caused by tectonic movements called?
Earthquake
Which gas layer in Earth's atmosphere protects us from harmful ultraviolet radiation?
Ozone layer
What branch of science studies the relationship between living organisms and their environment?
Ecology