Winter Diagnostic 2025 Practice Test

Front

What is a food web?

Back

A food web is a complex network of feeding relationships among various organisms in an ecosystem, showing how energy and nutrients flow through different trophic levels.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Front

What factors can limit the population size of a species in an ecosystem?

Back

Factors include predation, competition for resources, disease, and environmental changes.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Front

What is the relationship between electrical energy output and thermal energy loss in batteries?

Back

Higher electrical energy output often correlates with higher thermal energy loss, indicating that some energy is lost as heat during the conversion process.

Tags

NGSS.HS-PS3-3

NGSS.HS-PS3-4

Front

What is the role of a vacuum in a vacuum flask?

Back

The vacuum reduces heat loss by preventing conduction and convection, helping to maintain the temperature of the liquid inside.

Tags

NGSS.MS-PS3-3

Front

What is cellular respiration?

Back

Cellular respiration is the process by which cells convert glucose and oxygen into energy (ATP), carbon dioxide, and water, essential for maintaining homeostasis.

Tags

NGSS.MS-LS1-3

NGSS.MS-LS2-3

Front

What is the geosphere?

Back

The geosphere refers to the solid parts of the Earth, including rocks, soil, and landforms, and it interacts with the hydrosphere, atmosphere, and biosphere.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS3-1

Front

How can an earthquake affect the hydrosphere?

Back

An earthquake can cause a tsunami, which dramatically alters water levels and can lead to flooding and changes in coastal ecosystems.

Tags

NGSS.MS-ESS3-2

Front

What is the significance of photosynthesis in ecosystems?

Back

Photosynthesis is the process by which plants convert sunlight into chemical energy, producing oxygen and organic compounds that are vital for life.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Front

What is the difference between conduction and convection?

Back

Conduction is the transfer of heat through direct contact, while convection is the transfer of heat through the movement of fluids (liquids or gases).

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

Front

What is homeostasis?

Back

Homeostasis is the process by which living organisms regulate their internal environment to maintain stable, constant conditions despite external changes.

Tags

NGSS.HS-LS1-3