Practice Hydration Science - 3.3 | Foundations of Physical & Health Education | IB MYP Grade 8 Physical and Health Education
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Hydration Science

3.3 - Hydration Science

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What are the two main types of fluid compartments in the body?

💡 Hint: Think about where fluid is located in relation to the cells.

Question 2 Easy

Name a mineral that is an electrolyte.

💡 Hint: These help with hydration and muscle function.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the main role of electrolytes in the body?

A) Energy production
B) Muscle function and hydration
C) Bone strength

💡 Hint: Think about what you lose when you sweat!

Question 2

True or False: Sweating is the only way the body loses water.

True
False

💡 Hint: Consider the various ways our bodies manage fluid.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Using the weigh-in/out method, a runner weighs 70 kg before and 68.5 kg after an hour of running. Calculate the sweat rate and determine how much water they should drink during their next run.

💡 Hint: Remember that 1 kg equals approximately 1 liter of water.

Challenge 2 Hard

A sports drink claims to have 400 mg of sodium and 200 mg of potassium per serving. Calculate the total electrolytes a person would consume if they consumed 4 servings after a long workout.

💡 Hint: Multiply the content per serving by the number of servings.

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