What type of machine includes inclined plane that is wrapped around a
central core?
a) a knife
b) an axe
c) a screw
d) a wedge

If you touch a hot light bulb and get burned, that is an example of a. radiation b. convection c. conduction

The freezing and boiling point of a substance changes as the air pressure around it changes. for example, at a lower air pressure (higher altitude) it is easier for water molecules to escape from liquid into the air. in a high altitude city such as denver, colorado compared to a sea-level city such as houston, texas, water

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?