Matter test

Vocabulary Match the vocabulary word with its correct definition matter anything that has weight and takes up space 3 states of matter solid, liquid, and gas solid has a definite size and shape liquid has a definite size, but not a definite shape gas does not have a definite size or shape physical properties things you can observe using your 5 senses (ex. color, shape, size, state of matter, weight, etc.) nucleus the center part of the atom; contains protons and neutrons electrons parts of an atom that travel rapidly around the nucleus More Vocabulary Match the vocabulary word with its correct definition molecule 2 or more atoms put together element 2 or more of the same type of atoms put together compound 2 or more different types of atoms put together expansion increasing in size; getting bigger due to heat contraction decreasing in size; getting smaller due to cooling physical change a change in which only the physical properties of matter are different; it is still the same type of matter chemical change a change in matter in which 1 or more different kinds of matter form with properties that are different from the original matter atom the basic unit of matter Sort the following types of changes into the correct category Physical Changes tearing paper freezing a liquid breaking a glass chopping up a piece of wood Chemical Changes burning a piece of paper tarnishing silver rusting metal digesting food Atom Label the atom parts with the following words: proton, neutron, electron, nucleus proton electron neutron nucleus Type an example of a physical property (hint: the first activity we did that we put in the paper bag for a guessing game) True or False? Molecules are always moving true false Melting is a chemical change. true false Heating up molecules makes them move more quickly true false Cooling down molecules makes them move more quickly true false List 2 or more examples of expansion and contraction