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WorksheetsG6 CA #3- WED
Total questions: 12
Worksheet time: 6mins
Which is a necessary component for a good investigation?
It must be conducted in a lab
It must be run by a university scientist
It must be done with expensive equipment
It must be replicable
How do chemical and mechanical weathering processes differ?
Chemical weathering breaks rocks into smaller pieces but mechanical weathering doesn't
Chemical weathering affects only igneous rocks but mechanical weathering affects all types of rocks
Chemical weathering involves water but mechanical weathering does not
Chemical weathering changes the composition of the rock but mechanical weathering does not
A beach with rough waves is covered with pebbles and rocks and no fine sediment. Which statement best describes why?
The rough waves eroded all the fine sediment
The calm waves washed the large pebbles away
The rough waves carried away less sediment than calm waves
The calm waves cause more erosion than the rough waves
Why is there so much deposition at a delta?
The river slows down as it enters the ocean.
salt water and fresh water mix together
ocean waves transport sand toward land
the ancient Egyptians put a curse on the land
the dropping of sediments in layers.
compaction
deposition
erosion
weathering
What statement describes how strong winds form Florida dunes?
dunes form by sediment from mountains
dunes form by sediment carried by river
coastal dunes form behind rocky clifs
coastal dunes form behind sandy beaches
How did the sediment from a mountain many miles away get to Florida?
Wind blew it there
The mountains used to be farther south
Rivers and streams deposited sediment there
Rocks are really small on mountains
Which is the MAIN effect glaciers have on Florida?
They make the climate cool
They flatten the land by eroding it
They fill lakes and aquifers with melt water
The affect ocean levels
What is a natural source of air pollution?
Car exhaust
Methane gas from cow waste
Dust from fertilizer used on crops
Smoke from the burning of fossils fuels
How do deforestation, urbanization, desertification, and erosion relate to one another?
Deforestation and urbanization can lead to desertification and erosion
Erosion and desertification can cause urbanization and deforestation
Urbanization and erosion can lead to deforestation and desertification
Deforestation and erosion can lead to urbanization and desertification
What problems can be caused by overgrazing?
Plants that attract insects can be killed off
Plants whose roots hold soil in place can be killed
New layers of rocks that are then eroded can be uncovered
Animals dig in the ground which changes the flow of water over the Earth's surface
Which is NOT a model?
a weather map
a blueprint of a house
a globe showing national boundaries
a list of supplies for a science lab
