Show:
Rocks
Classroom Activities
Soil
Volcanoes
Properties
100
_________________ rock is formed when bits of rock form layers on top of each other.
Sedimentary
100
This rock floated when dropped in water...
Pumice
100
How many layers of soil are there?
Four
100
Three things that come out of a volcano are: 1. 2. 3.
1. Lava 2. Gases 3. Ash and Cinders
100
We can classify rocks and minerals by looking and testing their ____________________.
Properties
200
Granite is an example of a _______________ igneous rock.
Intrusive
200
When making rocks with food, we used __________________ to make igneous rocks.
Melted chocolate
200
Which layer contains the most nutrients?
Subsoil
200
____________________ are bits of dust and rock flung into the air when a volcano erupts.
Ash and cinders
200
A ___________________ test is done by scratching rocks and minerals with our fingernails, a penny, a metal nail, and sandpaper.
Hardness
300
_________________ is an igneous rock that is black, smooth, and shiny.
Obsidian
300
When exploding our volcanoes, the _____________ and ______________ represented lava.
Vinegar and baking soda
300
______________ is decaying plant and animal matter found in soil.
Humus
300
_____________ that come out of a volcano can be very poisonous.
Gases
300
A rock that reflects light is said to have a ____________________ lusture.
Metallic
400
________________ is a sedimentary rock that contains dead plants and sea animals.
Limestone
400
When we went outside, we were looking for signs of _____________________.
Erosion
400
_____________ is a type of soil that is slimy, feels gritty, and is the main ingredient in mud.
Silt
400
___________________________ is the name of the location of majority of the earth' volcanoes.
Ring of Fire
400
A rock or mineral fizzles when vinegar is dropped on it if it contains ________________.
Carbonates
500
_______________ is a metamorphic rock that is often used for sculptures and buildings.
Marble
500
The glass jar broke in the ice erosion experiment because...
When the water froze, it expanded. It pushed on the glass and caused it to break.
500
________________ is a soil type that, when heated to extreme temperatures, forms glass.
Sand
500
_____________________ is a strato volcano that erupted causing half of the mountain to explode away.
Mount St. Helens
500
If we can see the minerals in a rock WITHOUT a magnifying glass we say it has a _____________ texture.
Coarse