http://www.brighthub.com/education/k-12.aspxenhttp://www.brighthub.com/education/k-12/articles/15322.aspxFri, 02 Oct 2009 16:26:15 GMTb133e95a-c263-4882-8f2a-b24547eff78e:15322AliciaThis is the fourth in a series of seventh grade science projects. Students will explore whether one type of potato chip contains more grease than another type. Lesson Purpose: Most science textbooks teach the food guide pyramid and we know to limit intake of the sweets, fats, and oils category. This project goes along with that premise and teaches ...http://www.brighthub.com/education/k-12/articles/15313.aspxFri, 02 Oct 2009 16:24:34 GMTb133e95a-c263-4882-8f2a-b24547eff78e:15313AliciaThis is a first in a series of seventh grade science projects. This project has students investigating the different ways an onion can be prepared to see if any of them keep you from tearing. Lesson Purpose: This project should be used to teach about chemical changes. Teach: The reason people cry when an onion is sliced open is because a gas is omi...http://www.brighthub.com/education/k-12/articles/15319.aspxFri, 02 Oct 2009 16:21:15 GMTb133e95a-c263-4882-8f2a-b24547eff78e:15319AliciaThis is the third in a series of seventh grade science projects. This article investigates how video games affect a players heart rate. Lesson Purpose: This project should be used when teaching about the heart and how it works. When students begin to study muscles, they will study the heart. Teach: Discuss with your student what a heart rate is and...http://www.brighthub.com/education/k-12/articles/15611.aspxFri, 02 Oct 2009 16:10:46 GMTb133e95a-c263-4882-8f2a-b24547eff78e:15611AliciaThis is the fifth in a series of science projects for seventh grade. Students will learn how to get a rubber bouncy ball off of a table using the laws of gravity. Lesson Purpose: Use this project when teaching about gravity. Teach: Have students share any knowledge they may have about gravity. Tell students that we can learn a lot about gravity thr...http://www.brighthub.com/education/k-12/articles/15318.aspxFri, 02 Oct 2009 15:45:52 GMTb133e95a-c263-4882-8f2a-b24547eff78e:15318AliciaThis is the second in a series of science fair projects for seventh grade students. This project will confirm or deny the belief that, "Breakfast is the most important meal of the day". The Importance of Breakfast and Food Energy Lesson Purpose: This project can be used when teaching about how food gives us energy. It is also a great projec...