Earths History
Crystal
Sand Types
Bell work
fossils
100
This Giant reptile went extincted when a meteor hit earth
What is dinosaur?
100
At what temperature does solo melt
what is 40 Celsuis?
100
These are the 3 types that particles make up.
what is sand silt clay?
100
This is the color of dune sand.
What is white and clear?
100
What are fossils.
What is animal or plant life preserved?
200
the earth is covered in what percent of water
What is 70% water?
200
This is how crystals form
What is liquid cools then hardens?
200
identify where this sand is from.
What is black sand beach?
200
This is how igneous rocks form.
What is crystallizing melted material? (magma)
200
Which living thing was this fossil.
What is trilobite?
300
Before the earths ocean turned blue, what color was it
What is green?
300
this is how long it takes for the crystals to grow
what is a few days up to 1000 years?
300
identify this type of sorting.
What is Well sorted?
300
This is why it is important to use one variable at time.
What is it is important to see what variable changed the variable?
300
Is this a fossil or an index fossil.
What is index fossil?
400
65 million years ago a meteor hit earth and destroyed blank percent of living things.
What is 95%?
400
This is the temperature that crystals grow best
What is cold?
400
Identify this type of sorting.
what is poorly sorted?
400
This makes up an era
What are periods?
400
How are fossils made.
Fossils are left behind by organisms?
500
This is how long ago the ice ages happened.
What is 2.6 million?
500
This country is known for growing crystals.
What is Czechia
500
take your best guess on where this sand is from.
What is beach sand?
500
This is the rule all hypothesis should follow.
What is you have to be able test your variable?
500
How old is the oldest fossil.
What is 3.48 billion?