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19 questions
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- Q1Which of the following describes a difference between a rock and a mineral?A mineral is a mixture of rock typesRocks and minerals are the same thingMinerals have color and rocks do notA rock is a combination of minerals120s
- Q2Why is the streak of a mineral more reliable than the mineral's color?Some minerals look one color, but streak shows the true color of the mineralsNot all minerals have colorStreak may only show one color when the mineral is made of many colorsColors of minerals can change120s
- Q3What mineral property is being tested below?DensityLusterReaction to acidStreak120s
- Q4A mineral sample scratches fingernails, pennies, and glass but does not scratch steel as shown below. What is the hardness of the mineral?About 4About 5About 6About 7120s
- Q5What formula do we use to find the 'density' of an object?d = m / vv = m / dd = v / mm = d / v120s
- Q6Pyrite is called "fool's gold" because it looks a lot like gold. Which properties can be used to tell gold and pyrite apart?DensityStreakHardnessAll of the above120s
- Q7Yuri conducted an experiment on three metal samples. She created the table below from the data she collected. Using the density table below, identify each sample.Sample #1 is copper; sample #2 is magnesium; sample #3 is leadSample #1 is zinc; sample #2 is lead; sample #3 is aluminumSample #1 is iron; sample #2 is aluminum ; sample #3 is copperSample #1 is iron; sample #2 is magnesium; sample #3 is aluminum120s
- Q8A mineral sample cannot scratch Quartz, but Quartz can scratch the sample. What is the sample's hardness? Use the information given to answer the question.6. Feldspar8. Topaz10. Diamond9. Corundum120s
- Q9A mineral is metallic, has a true color of red, and has a hardness of 6. Using the table, what is the mineral?HematitePyriteGraphitePyrite and Hematite120s
- Q10Which of the following correctly defines a mineral?Solid substance made of a combination of mineralsSolid chemical substances that are developed by natural processesA solid, liquid, or gaseous substance made of two or more elements120s
- Q11Pyrite, also known as fool's gold, looks very similar to gold. Using the table, how are pyrite and gold different?Gold is harderPyrite's streak matches the color of pyritePyrite is harderGold's streak is the same as pyrite's streak120s
- Q12Which of the following correctly defines luster of a mineral?The way a mineral reflects lightThe chemical makeup of a mineralThe color of a mineralThe crystal shape of a mineral120s
- Q13If a mineral looks black but leaves a streak of red, what is the true color of the mineral?YellowBrownBlackRed120s
- Q14A balance and a graduated cylinder are used to determine the density of a mineral sample. The sample has a mass of 14.7 g and a volume of 2.3 cm cubed. What is the density of the mineral sample? Use the formula (d = m / v) to find the answer.6.7 g/cm cubed32 g/cm cubed13 g/cm cubed.15 g/cm cubed120s
- Q15Betty Jean has a collection of rocks. She organizes her observations about each rock in a table. What rock should Betty Jean classify as a metamorphic rock?Rock 4 because it has wavy, ribbon- like layersRock 1 because it is coarse- grained and does not show layeringRock 2 because it is fine grained and light in colorRock 3 because it contains fossils120s
