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Q1-15 midterm

Q 1-15 midterm

QuestionAnswer
1. Name three proofs or pieces of evidence that indicate the earth has a spherical shape. ECW spacecraft pictures, the position of the North Star at night, and the shadow of the earth on the moon during an eclipse are proof that the earth is spherically shaped.
2.Is a ship that is going between 0 and 90 N is it sailing towards North CS Yes they are sailing North
3. earths shape is caused by three things what are they CS earths shape is caused by its rotation and earths shape is caused by its rotation and is slightly flat at the poles and bulging at the equator
4. Name the proffesion who studies weather CS meteorologists
4b. who are the people who sutdy stars CS astronomers
4c.Name the proffesion whos studies rocks CS geologists
4d. Who studies the oceans currents CS oceanographers
5.how do you find density of something CS density is found by dividng mass and volume
7. what are some safe lab practices CS some safe lab practices areasking the teacher to pick up broken glasses, picking up hot equipment with padded gloves or tongs, never laeving an area with hot beakers, using pyrex glassware for heating and wearing safety googles
8.how many degrees are in a circle CS 360
8b. how many km around earth's equator CS 40,074
8c. what is earth's average density CS 5.5g/cm3
9. Rusting is an example of what property Physical or chemical. chemical properties change produce by chemical alterations in a substance
10.What are the four states of matter solid, liquid, gas
11.Is a mixture chemically combined EJP No.
11b. Is a compund chemically combined. EJp Yes.
12. What is the simpleist type of pure substance? Element
13a. What is the building block of matter? Atom
13b. O. represent what element? Oxygen
13c. He represents what element? Helium
13d. N represents what element? Nitrogen
13d. H represents what element? Hydrogen
14. What are ions? Ions are unbalanced/charged particles.
15. What are the physical properties of matter? The physical properties of matter are taste, color, texture, hardness, and density.
16a. Has a definate shape and volume and becomes they become liquids at their melting points. Solid
16b.Liquid becomes _______ at their boiling point Gas.
17a. Atoms are composed of what? Atoms are composed of protons and neturons in the nucleus, and electrons surround the nucleus.
17b. Describe the charges (+ -) of the EJP subatomic particles. Protons=+ Neutrons = no chargeElectrons = negative
17c. Where are in the atom are the electrons located? EJP Protons and neutrons are in the neucleus and electrons are moving around it.
18. What is the relatoinship between the atomic number and the number of protons and electrons. EJP The atomic #, electron#, and proton# are the same.
19. How is the mass of an atom calculated? EJP Mass= Protons + nuetrons
20. What are the subatomic particles? EJP Protons,nuetrons,and electrons
21. How does the periodic table classify elements? EJP All natural and manmade elements on earth by increasing atomic number.
22. What do covalent bonds share? EJP Electrons.
23.A. Are noble gases stable? EJP Yes they are stable.
23.B. Where on the periodic table are the noble gases located? EJP On the far right.
24.A. Is calcite a compound? EJP Yes.
24.B. What test can calcite be identified by?EJP Acid test.
24.B.What kind of mineral is copper? EJP Copper is a native mineral.
25.A.Can minerals be formed artifically or by man? No, they can only be formed by nature
25.B.What three things are needed to identify a mineral? color,luster, and hardness
26.In an isotope what subatomic element changes? Neutron #
27.How are new substances formed from substances? Chemical bonds
28.What is the smallest unit of a compound? Molecule
29.A.Which physical properties involve light? Phosphorescence, fluoresence, and doble refraction
30.A.What is luster? How a mineral reflects light
29.A.What is a physical property that is not determind by visual inspection? Hardness
30.What is fracture? How a mineral breaks
31.What is a streak? Rubbing a miineral across an unglazed ceramic tile`
32.What is the main group of minerals in earth's crust? And what is it made of? Silicates, silicates are made of silicon and oxygen
33.What elements are contained in sulfate's? Oxygen and sulfer
34.Large mineral crystals are formed from what? Slow cooling magma
35.What type of rock is basalt? Extrusive igneous rock
36A.What type of rocks are mostly on the earth's surface? EJP Sedimentary
36B. What features do these rockscontain? EJP Fossils, ripple marks, mud cracks, and cross-bedding.
37. How is a porphry formed? EJP It cools and crystalizes at two different depths.
38. What is a rock formed of? EJP. Shells or plant and animal remains pressed together.
39. What kind of rocks are chemical and organic? EJP Nonclastic Sedimentary rocks.
40. What two processes form and hold together sedimentary rocks? EJP Compaction and cementation.
41A. What are clastic sedimentary rocks made of? EJP Broken rock peices.
41B. What is Breccia ? EJP clastic sedimentary rocks with sharp angles.
42. What is siltstone? EJP Clastic rock with find grains of silt.
43._________ layers can be shown in different colos. EJP Sedimentary.
44.What do plutonic rocks form from and where do they form? EJP Form from magma deep underground.
45. What are Geodes? EJP Crystal lined sphere of silica.
46. What does uniformitarianism involve? EJP Long continued earth processes.
47A. How does the rock cycle classify rocks? EJP By their origin.
47B. What are mall rocks made of? EJP Minerals.
48. What can occur during metamorphism? EJP The formation of crystals, foliation, and increased density.
49. What kind of rock is coal? EJP Sedimentary rock.
50. What are igneous rocks classified by? EJP Color, texture, and chemical/mineral composition.
51.When does contact metamorphism occur? EJP When rock contacts magma.
52. What kind of rock does mountain building form? EJP Metamorphic rock.
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