

Study with the several resources on Docsity
Earn points by helping other students or get them with a premium plan
Prepare for your exams
Study with the several resources on Docsity
Earn points to download
Earn points by helping other students or get them with a premium plan
Community
Ask the community for help and clear up your study doubts
Discover the best universities in your country according to Docsity users
Free resources
Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors
Background information on the freezing and melting temperatures of water, explains the states of matter and how they change, and presents an experiment to investigate the effect of heat energy on the state of water. The document also discusses the role of salt in the freezing process and other chemicals used to melt ice.
Typology: Study notes
1 / 3
This page cannot be seen from the preview
Don't miss anything!
PROBLEM: Will a decrease in heat energy cause water to freeze or melt?
BACKGROUND
Dictionary.com | Find the Meanings and Definitions of Words at Dictionary.com. Web. 01 Oct. 2010. http://dictionary.reference.com/. Trefil, James S., Rita Ann. Calvo, and Kenneth Cutler. McDougal Littell Physical Science. Evanston, IL: McDougal Littell, 2006. Print
Define the following terms: Physical Properties- any property used to characterize matter and energy and their interactions Freezing- the process by which a substance changes from a liquid to a solid Freezing point- the temperature where a specific liquid becomes a solid Melting- the process by which a solid becomes a liquid Melting Point- the lowest temperature when a substance melts
HYPOTHESIS- If the heat energy in the water decreases, then the water will freeze. Independent variable- heat energy Dependent variable- water DATA & OBSERVATIONS