What are cetrometers?

A construction truck collides with the back of a subcompact car Which one has the larger change of velocity during the collision? What are characteristics passed from parent to offspring called? What three things should be included in a conclusion in a experiment? What are the 4 main types of germs? Spandex is natural or man made? How many centimeters are there in 9 inches? When you walk barefoot on hot sand heat is transferred to your feet from the sand? What degree is lukewarm temp? What ratio could you multiply by to convert 26 gallons into quart? Name any 6 metals? What is the glittering generality in the following phrase your way of life is better than theirs because you live in an age of science? What is a dyagnal? How physical processes affect the water supply? What is 8 gallons converted to cups? Thickness of the wire of a paper clip? How many feet are there in a quarter acre of land? What are the disadvantages of questioning as a teaching strategy? What type of scientist was Thomas Edison? What is the difference between double charged vitrified tiles and multi charged vitrified tiles? What is a clasdistics?