Home Library Explore SAT

Home Library Explore SAT

Earth Materials Flashcards | StudBud

Explore/Earth Materials

Earth Materials

7 terms·StudBud Administration·317 plays

Grade 4, Science, Foss Earth Materials test

Flashcards7 cardsFPractice quizPHost liveL

Questions 7

Answers

1
What is a good way to tell the hardness of a mineral?
Scrape it with a nail.
Write on it with a pencil.
Squeeze it with your hands.
Hit it with a hammer.
2
What is the difference between a mock rock and a real rock?
Real is made of minerals; mock is made of man-made things
Mock rock is brown with red, green spots and a rock is gray
You can eat a mock rock but not a real rock
Mock rocks have round edges. Real rocks have sharp edges
3
Which is not a property of an earth material?
sound
texture
color
shape
4
Evaporation helps you study mock rocks by...
Helps scratch a mineral with a paper clip.
Gives a better idea of the weight of the rock.
Changes the rock's color so its easier to see its parts.
Helps to separate the parts of a rock.
5
A mixture of different minerals is called...
a solution
a rock
calcite
the Earth
6
Whose results do you think are more reliable? Why? (order of hardness knife, penny, fingernail)
Garcia: All three tools scratched the talc
Garcia: Both the knife and the penny scratched thecalcite
Smith: All three tools scratched the talc
Smith: the penny scratched the calcite but the knifedid not
7
Which of these is true about testing rock samples using a vinegar test?
Leaving vinegar overnight in a dish causes white crystals.
The sample bubbles if it contains granite.
The vinegar tests are usually done with in minerals.
The vinegar tests checks for the presences of calcite.