Water
Science · Grade 6 · Week 14 · 25 questions
Mixtures and solutions are everywhere — from the air you breathe to the drinks you enjoy. Understanding how substances combine and how to separate them is fundamental to chemistry.
What you'll practise
- Distinguish between mixtures and pure substances
- Identify methods for separating mixtures
- Understand dissolving and solubility
- Apply separation techniques in practical contexts
All 25 questions in this Water quiz
Grade 6 Science — Water: 25 practice questions with instant scoring and explanations.
- What is the process by which water from the Earth's surface turns into water vapour?
- Which of the following is NOT a source of water?
- What happens during the condensation stage of the water cycle?
- Which method of water purification uses boiling to remove harmful substances?
- Approximately what percentage of Earth's water is freshwater?
- What is the name of the continuous movement of water on Earth's surface, atmosphere, and underground?
- Which of the following is a renewable source of water?
- What is infiltration in the context of the water cycle?
- Which process in water purification uses sand and gravel to remove particles?
- What is the main cause of water scarcity in many parts of the world?
- Which statement about water conservation is true?
- What is the term for water that falls as rain or snow from clouds?
- Which of the following is an example of point source pollution?
- What percentage of water do oceans contain?
- Which water purification method uses UV light or chemicals to kill harmful microorganisms?
- What is the main source of freshwater for most people?
- Which process involves water moving from soil to plants and then to the atmosphere?
- What is desalination?
- Which activity wastes the most water in a typical household?
- What is the role of clouds in the water cycle?
- Which of the following is NOT a water conservation method?
- What is the main purpose of a water treatment plant?
- Which of the following water sources is most vulnerable to pollution?
- What does hard water contain in excess?
- Why is water important for all living organisms?
Question 1 of 250 correct so far