8th Grade Science Review

Front

What does a graph showing a horizontal line represent?

Back

Constant Speed

Tags

NGSS.MS-PS3-1

Front

How many neutrons does an element with an atomic mass of 117 typically have?

Back

117

Front

What are spring tides?

Back

The highest high tides & the lowest low tides.

Tags

NGSS.MS-ESS1-1

Front

What are abiotic factors in an ecosystem?

Back

Non-living components such as water, sunlight, and minerals.

Tags

NGSS.MS-LS2-3

Front

What do valence electrons determine in an atom?

Back

The reactivity of the atom.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Front

What is the definition of acceleration?

Back

The rate of change of velocity of an object.

Front

What is the difference between speed and velocity?

Back

Speed is scalar (magnitude only), while velocity is vector (magnitude and direction).

Front

What is the role of producers in an ecosystem?

Back

They convert sunlight into energy through photosynthesis.

Tags

NGSS.MS-LS1-6

Front

What is the water cycle?

Back

The continuous movement of water through evaporation, condensation, and precipitation.

Tags

NGSS.MS-ESS2-4

Front

What is the definition of a biome?

Back

A large geographical biotic unit, a major community of plants and animals with similar life forms and environmental conditions.