Vocabulary
When you make a good guess about something
What is predict?
Red, blue, green are these.
What are colors?
Something you can use to separate rocks by size
What is screen?
The name we give to rocks that are round and smooth and come out of the water
What is river rock?
The earth materials that we have been studying
What are rocks?
When you have predicted something you have made this
What is prediction?
Big or small is this
What is size?
Of the three sizes we talked, this is the largest size of rock
What are pebbles?
The hard, gray rock that was once hot, liquid lava
What is basalt?
When rocks are rubbed together over time and they break into smaller pieces
What is weathering?
The things we talk about when we describe something
What is their properties
Smooth or rough is this
What is texture or What is how something feels?
The rocks that are smaller than pebbles but not the smallest size
What is gravel?
The light, soft rock that comes from the ash of the fires of the volcano
What is tuff?
Information that you collect
What is data?
To look carefully at something
What is observe?
Round or square or triangular is this
What is shape?
This is the smallest size of rocks
What is sand?
The reddish, bubbly rock that comes from the top of the volcano
What is scoria?
A person who studies rocks
What is geologist?
When you observe something you make this
What is observation?
1, 2, many, few is this
What is how many or the number?
This is the size of rocks that you can put through the smallest mesh of screen
What is sand?
the kind of rock that has a bunch of minerals to give it lots of colors
What is Granite
The colorful ingredients that make up rocks
What are minerals?