Acup of water plugged by a brown cork is insulated by a second styrofoam cup. a black rod and a thermometer are inserted through the cork into the water. the thermometer is a, the water is b, the outer cup is c.
this part insulates the reaction chamber from the transfer

List four observations that indicate that a chemical reaction may be taking place

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

The three types is stress that act on earths rocks are compression, tension, and