Grade 5 Science Review Chapter A1
Words To Know minerals hand lens electron microscope microscope crystals cleavage luster scale
What happens to crystals when they break apart? They stay the same, but become smaller or They turn into dust.
They stay the same shape, but become smaller.
What tool is used to make things look 1,000 times bigger? microscope hand lens or electron microscope
What is a structure that has a regular, repeating pattern? cleavage or crystal
Which crystal is used in cement and concrete? quartz sand or gemstones
quartz sand
What is a non-living piece of solid matter that makes up rocks? chlorophyll minerals or water
minerals
Name a crystal that has a flat shape like a thin book. salt or sugar
If you want to look at smaller objects more closely, what should you do? Enlarge them with a hands lens Hold objects away from your eye or Enlarge them with a microscope
Enlarge them with a hand lens and/or Enlarge them with a microscope
What is the way a crystal reflects light called? cleavage hardness luster or color
luster
Name the four properties of gemstones/crystals. cleavage, color, luster, scale or hardness, cleavage, luster, color
What is the purpose of a hand lens or microscope? to take a picture or to magnify objects
What are rocks that have a crystal lining inside them called? geodes mica or feldspar
geodes
Name a crystal that does not come from a mineral. salt or sugar
What mineral is gathered from the ocean? water salt or sugar
salt
What is a way a crystal breaks called? hardness cleavage or luster
cleavage
What scale is used to classify the minerals’ hardness? Gypsum’s Scale of Hardness or Moh’s Scale of Hardness
HardnessMinerals 1Talc 2Gypsum 3Calcite 4Fluorite 5Apatite 6Feldspar 7Quartz 8Topaz 9Corundum 10Diamond
What test is used to determine the hardness of a crystal? Scratch test Hardness test or Strength test
Scratch test
What would you see if you crushed a grain of salt and observed the pieces through a microscope? powder Repeating pattern in a cubic shape or Larger salt crystals
repeating pattern in a cubic shape
Compare Salt & Sugar Characteristics SaltSugar mineral dissolves in water cubicrectangular crystal