FAST 8TH GRADE SCIENCE REVIEW PART 2

1. Part of the rock cycle is shown below

Which of the following best describes the process that occurs at X in the cycle?

• A. •Melting

• B. •Crystallization

• C. •Heat and pressure

• D. •Weathering and erosion

Tags

NGSS.MS-ESS2-1

2. Scientist sometimes base an investigation on how sound waves travel through different materials. Which statement best describes how sound waves travel?

• F. •Sound waves travel at the same speed through different types of materials

• G. •Sound waves can travel in the form of particles or rays through a medium

• H. •Sound waves can travel at different speeds depending on the medium

• I. •Sound waves travel through materials faster than light waves do.

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NGSS.MS-PS4-2

3. Both plants and animals are made up of living cells. Which of the following best compares plant and animals cells?

• A. •Both store their food in vacuoles and chloroplasts.

• B. •Both support their structures with cytoplasm and cell walls.

• C. •Both take in nutrients, eliminate waste, and reproduce for survival

• D. •Both absorb water, produce their own food, and regenerate tissue for survival

4. The flow of rivers is affected by natural environmental conditions and human activities. Which of the following human activities would result in the most impact on the flow of water in a river?

• F. •The release of water from a water treatment plant into the river

• G. •The development of a shopping center along the riverbank

• H. •Harvesting trees from a forest along the riverbank

• I. •Constructing a dam in the river

Tags

NGSS.MS-ESS3-4

5. The trachea and the lungs are organs in the human body. Which statement describes a function of this system?

• A. •It breaks down sugars to provide energy for cells in the body

• B. •It produces antibodies to fight infections within the body.

• C. •It transports nutrients to different organs in the body

• D.•It exchanges gases used by cells in the body

6. When Mary’s bare foot touches hot sand at the beach, the muscles in her leg immediately pull back her foot. In this example, which body system functions most directly with the musculoskeletal system to maintain homeostasis?

• F. •Circulatory

• G. •Immune

• H. •Nervous

• I. •Respiratory

7. Mitochondria and chloroplasts are cell parts that are vital to cell function. Which of the following statements best describes mitochondria and chloroplasts?

• A. •They transport nutrients out of a cell

• B. •They make up most of the volume of a cell

• C. •They both convert sunlight into chemical energy

• D. •They both are involved in energy transformation

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NGSS.HS-LS1-7

8. A paper clip is tied to a piece of thread taped on a table. A force is acting on the paper clip from an object inside a cardboard box. What force is responsible for pulling the paper clip toward the object in the cardboard box.

• F. •Magnetic

• G. •Gravitational

• H. •Frictional

• I. •Electric

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NGSS.MS-PS2-4

9. Connective Tissue provides support for the body and is made of specialized structures that form bone, blood, and collagen. Which of the following organizational levels directly forms connective tissue?

• F. •Atoms

• G. •Cells

• H. •Molecules

• I. •Organs

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NGSS.MS-LS1-3

10. . Ben rides his bicycle over a hill. The diagram below shows him at four different positions,

At which position is Ben’s potential energy the greatest?

• F. •Position 1

• G. •Position 2

• H. •Position 3

• I. •Position 4

Tags

NGSS.MS-PS3-2