Grade 8 Science Review

What is the function of the mitochondria in a cell?

• To store genetic information

• To produce energy

• To control cell activities

• To make proteins

Tags

NGSS.MS-LS1-2

Which of the following is a property of fluids?

• They have a fixed shape

• They are always compressible

• They can flow

• They do not exert pressure

Which organelle is found in plant cells but not in animal cells?

• Chloroplast

• Nucleus

• Mitochondria

• Ribosome

Tags

NGSS.MS-LS1-6

What is the term for the upward force exerted by a fluid on a submerged object?

• Gravity

• Density

• Buoyancy

• Pressure

Which of the following best describes an ecosystem?

• A group of the same species living in an area

• The non-living components of an environment

• The water cycle within a specific region

• A community of organisms interacting with their physical environment

Tags

NGSS.MS-LS2-3

What is the primary function of ribosomes in a cell?

• To make proteins

• To produce energy

• To store nutrients

• To control cell division

Tags

NGSS.MS-LS1-2

NGSS.MS-LS3-1

Which of the following is NOT a characteristic of a fluid?

• It exerts pressure

• It has a fixed volume

• It has a fixed shape

• It can flow

What is the process where water in gas form (in the air) becomes liquid?

• Condensation

• Evaporation

• Transpiration

• Precipitation

Tags

NGSS.MS-ESS2-4

Which of the following structures is present in both plant and animal cells?

• Cell Wall

• Nucleus

• Central Vacuole

• Chloroplast

Which of the following is a major component of the Earth's water system?

• Rivers

• Lakes

• Oceans

• All of the Above

Tags

NGSS.MS-ESS2-4