An ice cube is placed in the sun. Later there is a puddle of water. Later still the puddle is gone.
what is physical change?
the formation of sediments from rocks
What is eroizon
plates collide into each other
What is convergent boundary
is the innermost layer of the earth
What is inner core
Name a characteristic of a mineral
What is luster, streak, color, density, cleavage, fracture, Mohs hardness scale, smell, taste.
Two chemical are mixed together and a gas is produce.
What is chemical change?
What is metamorphic?
plates slide past each other
What is transforming
the layer of the earth that is composed of liquid nickel and iron
What is outter core
This rock is found inside the earth near magma and has large crystals
What is intrusvie
You blow dry your wet hair
What is physical change
How does magma become igneous rock
What is cooling
What is divergent
the largest layer of the earth
What is mantle
Chewing food to break it down into smaller particles represents a _________ change, but the changing of starch into sugars by enzymes in the digestive system represents a ___________change.
two answers
What is physical, chemical
Umm! A student removes a loaf of bread hot from the oven. The student cuts a slice off the loaf and spreads butter on it.
What is physical change
What is the process that forms sedimentary rocks from sediment?
What is compaction and cementing
When plates collide, the more dense tectonic plate is forced underneath. this process of pushing underneath is called what?
What is subduction
the thinner, least dense layer of earth
What is crust
Hotter magma will rise and then once it cools it will fall
What is convection current
Your friend decides to toast a piece of bread, but leaves it in the toaster too long. The bread is black and the kitchen if full of smoke. What does the scenario describe
What is chemical change?
This type of rock is normally found around rivers, but an earthquake happened and exposed this rock to temperatures that causes it to melt, then cool. what type of rock is this now?
What is igneous rock
What is transformation
write the layers of earth from least dense to most dense
What is crust, lithosphere, asthenosphere, mantle, outer core, inner core.
Sedimentary rocks are exposed to intense heat and pressure and is changed into another type of rock. what is the new rock type
What is metamorphic