Fill in each blank with the correct word from the lesson.

1. _______ seems ordinary — it's clear, tasteless, odourless.
2. It flows upwards through plants against _______.
3. Water _______s are strongly attracted to each other.
4. This property is crucial for life: your blood is mostly water, and it carries dissolved nutrients to every _______.
5. Experiments with Water is an important topic in _______.

Choose the best option for each question.

1. Why is water called the 'universal solvent'?
   a) Because it covers most of Earthb) Because it dissolves more substances than most other liquidsc) Because it is found everywhered) Because it evaporates easily
2. What is surface tension?
   a) The weight of waterb) A skin-like pull on the water surface caused by molecular attractionc) The temperature at which water boilsd) The layer of water on top of oil
3. How does capillarity help plants?
   a) It helps them make foodb) It allows water to rise from roots to leaves through narrow tubesc) It prevents water from evaporatingd) It cools the leaves

Write T for True or F for False in the brackets.

1. Because it dissolves more substances than most other liquids is one of the key concepts in the lesson on Experiments with Water.
2. Because it covers most of Earth is the main topic of this lesson.
3. A skin-like pull on the water surface caused by molecular attraction is one of the key concepts in the lesson on Experiments with Water.
4. The weight of water is the main topic of this lesson.

1. In your own words, explain what Experiments with Water means.
2. List two things you learned from this lesson on Experiments with Water.