Practice - What is Energy?
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What is energy?
💡 Hint: Think about why we need energy in daily life.
Name one type of energy associated with motion.
💡 Hint: This type of energy relates to movement.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
Which type of energy is related to the motion of particles?
💡 Hint: Think about what happens to energy when particles move.
True or False: Exothermic reactions absorb energy from the surroundings.
💡 Hint: Recall what happens during an exothermic reaction.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A chemical reaction between hydrogen and oxygen produces water. Classify the reaction as exothermic or endothermic and justify your answer.
💡 Hint: Think about the heat produced during combustion.
Describe a scenario in which you might observe both kinetic and potential energy changes during a chemical reaction.
💡 Hint: Consider how energy conversion happens in engines.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.