Start learning →

Olympiad (Class 6) Earth and its environment — practice questions — page 2

Explore 59 free Earth and its environment questions in Olympiad (Class 6) General Knowledge. Open each question or exercise to read its content, reference answers and available explanation.

Practise Earth and its environment with Quill →

Earth and its environment questions and exercises with answers

Showing questions 31–59 of 59.

Earth moves about 30 km every second in orbit. How far does it go in 10 seconds?Read the answer and worked solution →Counting outward from the Sun, which position does Earth hold among planets?Read the answer and worked solution →What mainly causes the change of seasons on Earth?Read the answer and worked solution →Earth is nearest the Sun in early January, yet India has winter. Why?Read the answer and worked solution →Above the Arctic Circle, the Sun can stay visible all day in summer. What is this called?Read the answer and worked solution →In the Northern Hemisphere, what occurs near 21 June?Read the answer and worked solution →It is summer in the Northern Hemisphere. What season is it in the Southern Hemisphere?Read the answer and worked solution →About 2.5 percent of Earth's water is fresh. How many litres of every 1,000 litres is that?Read the answer and worked solution →Where is most of Earth's fresh water stored?Read the answer and worked solution →Seawater holds about 35 g of salt per kg. A 2 kg sample, once dried, leaves about how much salt?Read the answer and worked solution →Flowing glaciers carve which shape of valley?Read the answer and worked solution →Which of the four spheres corresponds to living things?Read the answer and worked solution →Which sphere is the layer of soil on Earth's land surface?Read the answer and worked solution →Which item is an abiotic factor in a pond ecosystem?Read the answer and worked solution →Which pair below is made up only of biotic factors?Read the answer and worked solution →Which cycle moves carbon among air, water, soil and living things?Read the answer and worked solution →In the water cycle, water changes among which three states?Read the answer and worked solution →Which nutrient moves mostly through rocks, water and living things, with almost no air stage?Read the answer and worked solution →What is the main driver of the oxygen cycle?Read the answer and worked solution →Which element makes up the largest share of Earth's whole mass?Read the answer and worked solution →Which metal is the main component of Earth's core?Read the answer and worked solution →Apart from leftover formation heat, Earth's interior is warmed mainly by what?Read the answer and worked solution →What separates the crust from the mantle?Read the answer and worked solution →Which rock mainly forms the oceanic crust?Read the answer and worked solution →About what fraction of the air's mass lies in the lowest 11 km?Read the answer and worked solution →Which is the outermost layer of Earth's atmosphere?Read the answer and worked solution →The troposphere is thickest, about 17 km, over which region?Read the answer and worked solution →The thermosphere can reach 1500 °C, yet it would not feel hot. Why?Read the answer and worked solution →Earth is the only planet in the Solar System with what on its surface?Read the answer and worked solution →

Worked practice questions

Earth moves about 30 km every second in orbit. How far does it go in 10 seconds?

  1. 3 km
  2. 30 km
  3. 300 km
  4. 3,000 km
Show answer and solution

Correct answer: C. 300 km

The orbital speed is about 29.8 km/s, so 10 seconds covers roughly 300 km.

Open this question →

Counting outward from the Sun, which position does Earth hold among planets?

  1. Second
  2. Third
  3. Fourth
  4. Fifth
Show answer and solution

Correct answer: B. Third

Earth is the third-closest planet to the Sun.

Open this question →

What mainly causes the change of seasons on Earth?

  1. Distance from the Sun
  2. Phases of the Moon
  3. Speed of rotation
  4. Tilt of its axis
Show answer and solution

Correct answer: D. Tilt of its axis

Because of the axial tilt, the sunlight reaching any place changes through the year and gives seasons.

Open this question →

How to practise

  1. Choose a Earth and its environment question and try to work out your answer.
  2. Open the question to check the correct answer and read its worked solution.
  3. Continue in the app for bite-sized lessons, explanations and review with Quill. You can start without creating an account.

Put it into practice

Continue with Earth and its environment practice for Olympiad (Class 6). Read explanations as you go. No signup form needed to start.

Practise Earth and its environment →

More General Knowledge topics