Earth's system

Question 1

physical properties

Answer 1

any property that can be observed using five senses or can be measured without changing the matter.

Question 2

weight/mass

Answer 2

weight -how heavy an object is (mass is how much “stuff” (matter) something is made of)

Question 3

solid

Answer 3

a state of matter that maintains its own shape instead of conforming to the shape of its container

Question 4

liquid

Answer 4

something that can flow and takes the shape of its container, like water or juice, but it has a fixed amount of space (volume), similar to how a solid stays the same size

Question 5

conduct

Answer 5

it allows something like heat or electricity to flow or pass through it easily.

Question 6

heat

Answer 6

energy that moves from something hot to cold, a form of energy.

Question 7

minerals

Answer 7

a substance found in nature, minerals make up rocks.

Question 8

hardness

Answer 8

how easily or difficult it is to scratch a minerals surfaces.

Question 9

streak

Answer 9

the color of its powder when you rub it on a hard, rough surfaces like a tile.

Question 10

tiles

Answer 10

the colored powder left behind when a minerals is scraped across a hard surface like a ceramic tile, which helps identify the mineral by its “streak” color.

Question 11

color

Answer 11

its what light reflect back to our eyes. minerals are colored because they absorb some colors of light and reflects the rest.

Question 12

luster

Answer 12

how shiny a rock or mineral looks when light shines on it, like a mirror, or glassy, or even dull. (luster is a physical property used be mineralogist to help identify minerals).

Question 13

cleavage

Answer 13

how some minerals break along smooth, flat lines instead of randomly, like when you crack a egg

Question 14

scratch test

Answer 14

where you try to scratch a rock with different objects (like a fingernail or a penny) to see if its hard or soft

Question 15

rocks

Answer 15

a naturally formed combination of minerals and other natural materials.

Question 16

minerals

Answer 16

a solid, naturally formed substance that always has the same composition and the same properties.

Question 17

sediment

Answer 17

the “dirt” and “stuff that settles to the bottom of liquids, or is carried and then deposited by water, wind, or ice.

Question 18

sedimentary

Answer 18

rock formed from compacted sediment.

Question 19

igneous

Answer 19

rock formed magma or lava

Question 20

metamorphic

Answer 20

Rock formed from existing rock; heat and pressure cause the minerals to form new combinations or new crystals.