6th Grade Science Cumulative Review

The following graph shows the results of an experiment done by four different groups. Each group took a different rubber band and recorded how far it stretched as they added weights to it. Based on the evidence in the graph, which group’s rubber band stretched the least as more weight was added?

• Group 1

• Group 2

• Group 3

• Group 4

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Sand Key is a barrier island located along the coast of Florida. Which process most likely caused Sand Key to form?

• sudden erosion of a sandbar

• deposition of sand over time

• wearing down of rocky cliffs

• transfer of sand along a beach

Many disorders can affect the nervous system. These disorders can happen when parts of the nervous system are damaged by disease or injuries. They can result in problems with balance and movement and other symptoms. Which of the following disorders does not affect the nervous system?

• multiple sclerosis

• spinal cord injuries

• rheumatoid arthritis

• Parkinson’s disease

Carbohydrates are made up of three of the six major elements found in living things. Which elements combine to make a carbohydrate?

• copper, cobalt, and hydrogen

• chlorine, oxygen, and carbon

• carbon, helium, and oxygen

• carbon, hydrogen, and oxygen

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This diagram shows one type of model of the brain. Which item represents another type of brain model?

• a copy of the human skull

• the results of a lie detector test

• the results of an intelligence test

• a three-dimensional brain x-ray

The following picture shows an object resting on a balance. The weight of an object is given by F = mg, where g = 9.8 m/s2. With what force does the object

push down on the balance?

• 0.500 kg·m/s2

• 4.90 kg·m/s2

• 9.3 kg·m/s2

• 9.8 kg·m/s2

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Garyn is a bike messenger. He has found that it is difficult to carry large packages on his bike. After conducting some research, Garyn has come up with an idea for a new type of backpack that might help him carry packages. What is Garyn’s next step?

• revise the solution

• conduct research

• create a prototype

• communicate results

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Florida is the most sinkhole-susceptible state in the United States. What reasoning explains why Florida is so susceptible to sinkholes?

• Limestone exists at or near the ground surface in most areas of the state of Florida.

• Florida’s flat topography is vulnerable to the full force of winds and storm surges.

• Much of Florida is located at or near sea level and can be easily covered by rising water.

• In much of Florida, the lower layers of soil are made of organic material that can easily catch fire.

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Mason knows that multicellular organisms are more complex than unicellular organisms. Which of the following is a characteristic of multicellular organisms?

• obtaining food

• having organelles

• being able to move

• having specialized cells

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Whether you live in a tropical climate, a temperate climate, or a polar climate, you share something

with the rest of the world—your climate is influenced by the latitude where you live. Which best describes why latitudes closer to the equator have warmer climates?

• Latitudes closer to the equator are at lower elevations than latitudes away from the equator.

• Latitudes closer to the equator receive more solar energy than latitudes away from the equator.

• Latitudes closer to the equator are nearer to ocean currents than latitudes away from the equator.

• Latitudes closer to the equator get more wind carrying energy in the form of heat than latitudes

  away from the equator.

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