Engineering Design Process
Bob is testing his paper airplane prototype. It rises up briefly but then crashes to the floor. What should he do next?
redesign the prototype
What is responsible for the changes from day to night?
Earth rotating on its axis
Name the four layers of the earth.
crust, mantle, outer core, inner core
Which of the following landforms is the result of weathering and erosion?
desert sea arch
forest mountain
sea arch
This causes harm to an ecosystem.
pollution
Bob just built a prototype of a new race car. What should he do next?
test the prototype
An _____________ is the path one object takes around another object in space.
orbit
Certain land features form where plates meet. Which land feature forms where two continental plates move toward each other?
mountains
Which of the following choices is a result of water erosion?
barrier islands lakes
small rocks smooth stones
smooth stones
Turning off the lights when leaving a room is a form of _____________ .
conservation
What is the most important reason researchers keep careful notes when testing a new design?
so that the design can be duplicated
The length of a shadow is ________ in the morning, _________ at noon, and ___________ again in the evening.
long, short, long
Which specific aspect of an earthquake does a seismograph measure?
the size of the energy waves
Which of the following is an example of wind erosion?
alluvial fan moraine
sand dunes tides
sand dunes
Which of the following resources used to generate electricity is nonrenewable?
solar power running water
wind energy coal
coal
Bob decides to make a new type of snow sled that slides easily and stops safely? What should he do first?
Brainstorm solutions
_______________ developed a model with the sun at the center of the universe in the 1500's.
Copernicus
Which layer of earth is responsible for the movement of Earth's plates?
the mantle
Running water often forms cave openings. What can you infer about the rock that is worn away by water?
The rock is water soluble.
This is a natural resource that provides water to and can be shared by many cities or states.
a watershed
Bob drops an egg in a foam ball off of a bridge. What is Bob most likely testing when he drops the ball into the water?
whether the foam ball will soften the landing.
What is the difference between Earth's rotation and Earth's revolution?
The Earth rotates like a top on its axis. The Earth makes an elliptical revolution around the sun.
What is the theory from scientist Alfred Wegener regarding the separation of Pangea?
continental drift theory
_______________ is the leaving behind of eroded sediment.
deposition
What nonrenewable resource is used to make gasoline?
oil