Forces
Energy
Mystery
Landforms
Landforms
100
A push or pull of an object...
Force
100
How are renewable fuels different from fossil fuels?
renewable fuels can be used over and over
100
When identifying the texture of a soil, you are determining —
The size of the grains in the soil
100
What do floodplains, sandbars, and river deltas have in common?
They've all been formed by water erosion.
100
What type of changes does erosion cause?
Physical Changes
200
Materials with ____ surfaces have less friction. This means that they travel faster.
A. smooth
B. rough
C. both
Smooth
200
What is another term for renewable energy?
Alternative energy
200
Since the sun shines continuously, we call solar energy a _____________ energy source.
Renewable
200
Alexis is studying the texture of the particles in different types of soil. She is comparing soils with clay, sand, gravel, and silt in order to determine which soil has the largest particles.
Which ones list the soils in decreasing order?
A. sand, gravel, clay, silt
B. gravel, sand, silt, clay
C. sand, gravel, silt, clay
D. gravel, sand, clay, silt
B. gravel, sand, silt, clay
200
Erosion occurs when natural forces alter the landscape. What does it mean to alter a landscape?
Change what the land looks like
300
Will a toy car slow down quicker on carpet or foil?
A. Carpet because it is a rough surface and has more friction.
B. Carpet because it is a rough surface and has less friction.
C. Foil because it is a smooth surface and has more friction.
D. Foil because it is a smooth surface and has less friction.
A. Carpet because it is a rough surface and has more friction.
300
All of the following are considered alternative energy sources EXCEPT –
A. Wind
B. Coal
C. Biofuel
D. Solar
Coal
300
Biofuels is an energy resource that is advantageous because it causes less pollution. Biofuels come from —
Plants and animals
300
The Texas Sage is a drought tolerant plant grown in many nurseries. Drought tolerant plants are able to survive and thrive in areas without much rainfall or water retained.
Based on the data table above, in which soil would the Texas Sage be least likely to thrive?
A. sand
B. clay
C. peat
D. clay loam
B. Clay
300
Which term best describes the rate at which glacial erosion takes place?
slow
400
How does friction affect speed?
more friction decreases speed
400
The poster shown below advertises tours of a power plant.
This power plant produces electricity most likely by using-
A. fossil fuels
B. biofuels
C. solar energy
D. geothermal energy
Geothermal
400
This rock formation formed over many millions of years. What force most likely created it?
A. A glacier pushing rocks ahead of it
B. A river bringing rocks down a mountain
C. Wind-blow sand carving large rocks
D. A volcano blasting rocks great distances
C. Wind-blow sand carving large rocks
400
In some areas of Texas, solid layers of rock called bedrock are beneath a thin layer of soil.
Trees need to grow long, deep roots to get lots of water and hold the tree in place. Based on the information above, are the areas in Texas with bedrock beneath the soil a good place for trees to grow?
A. Trees will grow well with bedrock because the roots can wrap around the rock.
B. Trees will not grow well with bedrock because the roots will not grow deep
C. Trees will grow well with bedrock because the roots can grow sideways instead of down.
D. Trees will not grow well because the roots will break the rock.
B. Trees will not grow well with bedrock because the roots will not grow deep
400
How do sandy beaches form?
Waves pounding pebbles into smaller and smaller pieces
500
A pencil falls to the ground when it is dropped. Which force acts upon the pencil, causing it to fall?
Gravity
500
Which type of alternative energy source is shown in this picture?
A. Wind
B. Solar
C. Hydroelectric
D. Geothermal
Hydroelectric
500
A delta is a large collection of sediments at the mouth of a river. The river deposits its sediment when -
A. the river slows down
B. the water gets salty
C. the sediment is small
D. the temperature is cold
A. The river slows down.
500
In many parts of Texas, the soil forms a smooth thick mud when it rains. The water is more likely to runoff than absorb into the ground due to the lack of drainage through the soil.
The soil type is most likely —
A. Clay
500
How would a sandblasted rock differ from a rock that hasn't been sandblasted?
A sandblasted rock would be smoother in shape and less jagged