The image shows the rover Curiosity's sky crane and the retrorockets that the sky crane used to place the rover on the surface of Mars. As the sky crane approached Mars, it fired its retrorockets so that the rover was slowly lowered onto the Martian surface. Which scientific concept best explains the action of the retrorockets?
Benchmark 3 Results Review

Quiz
•
Biology
•
8th Grade
•
Hard
Mr. Karcz
Used 12+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mendel's priciple of independent assortment
Newton's law of universal gravitation
Mendel's principle of segregation
Newton's third law of motion
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which term is best defined as heat transfer that occurs when warm particles move in currents?
Radiation
Convection
Evaporation
Conduction
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The diagram represents a food web in a marine ecosystem. Which statement best describes the role of two populations within this food web?
Phytoplankton are producers, and cod are consumers.
Phytoplankton and zooplankton are both producers.
Phytoplankton and cod are both producers.
Zooplankton are producers, and phytoplankton are consumers.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Humans depend on the ocean systems around the world for many purposes, including shipping goods, obtaining food, and participating in recreational activities. Many precautions are taken by both individuals and governments to protect ocean ecosystems, but negative impacts still occur as humans use and interact with the ocean and its organisms. Which of the following is an environmental impact caused by humans removing more resources from an ocean ecosystem than it can withstand?
decreased biodiversity caused by overfishing
algae blooms caused by fertilizer runoff
fish kills caused by industrial waste
increased biodiversity caused by artificial reefs
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which solar system body is a comet?
Y
Z
W
X
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The Earth experiences high tide in two locations at the same time due to the Moon's gravity. One location faces the Moon, and the other location is on the opposite side of the Earth. A given region on the Earth's surface will experience high tide once in each of these locations every day. Which of the following explains this pattern?
The Earth revolves around the Sun once each year.
The Earth rotates on its axis once each month.
The Earth revolves around the Sun once each day.
The Earth rotates on its axis once each day.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A scientist has a pure sample of an unknown metal that she is trying to identify. She measures the sample to have a mass of 25.1 g and a volume of 2.82 cm3. What should the scientist conclude that her sample is made of?
Copper
Iron
Nickel
Aluminum
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