Match the words in the left-hand column to the appropriate blank in the sentences in the right-hand column. use each word only once.
1. the slowly increasing distance between south america and africa is due to . seafloor spreading
2. old faithful geyser at yellowstone national park in the united states acquires its energy from a hot spot
3. layered exposed by erosion can be seen when looking at the grand canyon in the united states sedimentary rock
4. australia is composed of relatively old and thick . continental crust
5. the extremely deep ocean marianas trench is a result of . subduction
6. found in the atlantic ocean between north america and europe is composed of dense and relatively young rock. seafloor crust
7. the earthquakes that occur in southern california generally occur above a

Fill in the blanks with the numbers is a measure of the resistance to flow. a high liquid has a high resistance to flow and flows slowly. the ancients thought everything in the world was made of 4 we now know that there are 94 naturally occurring and scientists have created another 24 i am certain they will create even more. honey flows slowly because it has a high to flowing. a can be separated by physical means because it contains more than one pure substance and 2 pure substances are not chemically bonded to each other. a cannot be separated by physical means. all matter is made up of all elements are with the same number of protons. if it is just a single or many bonded together, if all of them have the same number of protons, it is an element. in a piece of pure iron metal, all the are joined together, that piece of iron metal is called elemental iron. a single of iron is called elemental iron. a mixture has differences from place to place. we might need a microscope to see them or they might be obvious to the unaided eye. there are surfaces separating it into different phases. a mixture is the same everywhere. it is uniform. there are no surfaces separating it into different phases. if different kinds of atoms (different elements) are bonded together by their electrons, it is called a there are physical means of to isolate the different pure substances in a mixture and there are chemical means of to isolate the different elements in a compound. 1. element 2. compound 3. mixture 4. heterogeneous 5. homogeneous 6. pure substance 7. atoms 8. separation 9. viscosity 10. resistance