Equipment Beaker Test Tubes in Test Tube Rack Dropper Some of these items are made of glass so please be very careful!
Procedures • Stay in your seat. • Follow the directions given by the teacher. • Handle the equipment with care. • Record all necessary data. • Don’t get too noisy.
Safety • Do not touch the water. • Do not get any equipment close to your face. • Keep everything on the table. • Handle things carefully. • If something does break, ALWAYS tell a teacher. DO NOT PICK UP GLASS.
Density Videos • http://teachertube.com/viewVideo.php?video_id=130336 • http://teachertube.com/viewVideo.php?video_id=206801&title=Layering_Hot_and_Cold_Liquids&vpkey=b31483ad8b&album_id=
Data Sheet Name:___________________________________ Date:___________________ Predict in which order all four colors will layer correctly from bottom to top. 1. 2. 3. 4. Use this space to record your findings/trials When you have made a 4-layer stack, color in the test tube below with the correct colors. Was your prediction correct?
Questions • Questions: • 1. Which liquid always layered at the bottom of the test tube? • 2. Why do you think this liquid layered below the other liquids? • 3. Which liquid has the lowest density? • 4. Where would you expect to find the liquid with the lowest density? • 5. Tell me 2 things you learned from this activity.