Vocabulary
The MOVEMENT of Soil, Rocks, or sand
On which layer of earth do you find oceans, mountains and valleys?
A- crust
B- inner core
C- mantle
D- outer core
A- curst
Earth has different layers. Which is the best description for the mantle?
A- solid
B- thin layer
C- hot, soft rock
D- dense rock and metal
C- hot, soft rock
What words would you use to describe a mountain? (3 words)
Tall, Huge, Curved, Pointy, High, Jagged
The smith river overflows its banks after at least 30 centimeters of rainfall in one day. Rain is falling at 5 Centimeters an hour. How long will it have to rain before the river overflows?
5, 10, 15, 20, 25, 30 = 6 Hours
What is WEATHERING?
The BREAKING DOWN of rock into smaller pieces
Over many years, a mountain is weathered and eroded. What landform will the mountain gradually change into?
A. a canyon
B. a valley
C. a volcano
D. a hill
D. a hill
Which of these is a sudden change in earths surface that can be harmful to living things?
A- Erosion
B- a glacier
C- a forest fire
D- weathering
C- Forest Fire
How are mountains formed?
Mountains are formed when two or more pieces of earths crust push together, a mountain or mountain range forms.
Which fraction is equivalent to 4 ?
A- 1/4
B- 4/1
C. 4/4
D. 8/4
What is a LANDFORM?
A landform is apart of earths surface that has a certain shape and is formed naturally
Which describes how water can cause weathering?
A. Rivers flow through a canyon. As they move, they carry rocks with them, making the canyon steeper
B. Water flows into cracks in rocks. The water freezes, making the cracks larger and breaking down the rock.
C. Glaciers are made of ice. As they move, they pick up pieces of soil and rock and move the soil and rock along with them.
D. Rain falls quickly during a storm. This causes the mud on a hill to move and large area of dirt and rock to slide down a hill
B. Water flows into cracks in rocks. The water freezes, making the cracks larger and breaking down the rock.
What is a FLOOD & what can cause it?
a FLOOD is a change that happens when streams, rivers, or lakes get too full and overflow. Too much rain in too short a period of time can cause a flood.
Why are some mountains higher than others?
They are pushed up with more force; they are newer than other mountains, so they haven't been worn down. Mountains continually change. They are pushed up higher or are worn down lower.
What is a proper fraction?
What is an improper fraction?
A proper fraction is a fraction whose numerator is less than the denominator.
An improper fraction is a fraction whose denominator is greater than the numerator
What is an EARTHQUAKE?
A shaking of earths surface that can cause land to rise or fall
Kaila puts some brick pieces, sand and water in a jar. She shakes it each day for two weeks and notices what happens to the brick pieces and water. What is she modeling?
A. How volcanoes Erupt
B. How weathering forms soil
C. How floodwater is absorbed
C. How earthquakes change rocks
B. How weathering forms soil
Explain the difference between Magma and Lava
Magma is melted rock UNDERGROUND
Lava is melted rock that has reached EARTH'S SURFACE
Damari's class is visiting a delta to make observations. The students observe rich soil. What is the most likely reason for this?
A- Rocks in the delta were ground into soil
B- The soil was carried into the delta by the wind
C- The soil was washed into the delta by a flowing river.
D- Rocks from the ocean were ground up by ocean waves
C- The soil was washed into the delta by a flowing river
What is this fraction equal to?
16/4= ?
4
PLATEAU- Flat land normally higher than the land around it
CANYON- A valley with steep sides
VALLEY- The low land between mountains or hills
MOUNTAINS- Lanforms that are much higher than the surrounding land
List all 5 Layers of the Earth IN ORDER and what they're made of
Crust- Cool, Solid Rock
Mantle- Soft Hot Rock
Outer Core- Liquid Metal Layer
Inner Core- Solid, Metal Layer
What do wind and water have in common?
Wind and water flow and push in similar ways. Wind, water and glaciers can all cause erosion.
Name all 7 things that can changes earths surface.
Earthquake, Erosion, Glacier, Flood, Forest Fire, Volcano and weathering
A lighthouse is 60 meters from the edge of a cliff. The cliff erodes by 3 meters each year. How long will it take for the edge of the cliff to reach the lighthouse?
60 meters divided by 3 meters= 20 years