Students will be able to explain on the molecular level the process of heat transfer and molecular motion that causes a solid to melt to form a liquid. Students will also be able to explain how the arrangement of water molecules is different from most other substances when it changes state from a solid to a liquid.tudents will see and discuss an animation of ice melting and compare the state changes of water to the state changes of other substances. They will also investigate sublimation of dry ice through a teacher demonstration, or video if dry ice is not readily available.
A: Numerous blood tests require fasting for up to 12 hours before the test, including lipid profile, renal function panel, glucose level, chem 7, basic metabo... Full Answer > Filed Under: Diagnostics & Imaging.
However, iron tests and GGT tests do not require fasting. Blood testing is done to check the blood for abnormalities, including high cholesterol and glucose levels. Before going to a hospital or doctor's office for testing, people often wonder if they can eat or drink before the blood test. You'll need to fast the night before and take the test the first thing in the morning to get an accurate reading. 2  You should not drink alcohol within 24 hours of testing. 3  If you normally take a vitamin supplement, do not take it within 24 hours of the test.