8th Grade Science Review

Front

What is a divergent boundary?

Back

A divergent boundary is a tectonic plate boundary where two plates move away from each other, often resulting in the formation of new crust, such as mid-ocean ridges.

Tags

NGSS.MS-ESS2-1

Front

What are periods and groups in the periodic table?

Back

Periods are the horizontal rows on the periodic table, while groups are the vertical columns.

Front

What color of star indicates the highest temperature?

Back

Blue stars are the hottest.

Front

What is the relationship between atomic number and protons?

Back

The atomic number of an element is equal to the number of protons in its nucleus.

Front

What is the mass number of an element?

Back

The mass number is the total number of protons and neutrons in an atom's nucleus.

Front

What does the Law of Conservation of Mass state?

Back

The Law of Conservation of Mass states that mass is neither created nor destroyed in a chemical reaction; the total mass of reactants equals the total mass of products.

Tags

NGSS.MS-PS1-5

Front

What happens at a convergent boundary?

Back

At a convergent boundary, two tectonic plates move towards each other, which can lead to one plate being forced beneath another, often causing earthquakes and volcanic activity.

Tags

NGSS.MS-ESS3-2

Front

What is a transform boundary?

Back

A transform boundary is a type of tectonic plate boundary where two plates slide past one another horizontally, leading to friction and earthquakes.

Front

How do you determine the number of neutrons in an atom?

Back

To find the number of neutrons, subtract the atomic number (number of protons) from the mass number.

Front

What is the significance of the periodic table?

Back

The periodic table organizes elements based on their atomic number, electron configurations, and recurring chemical properties.

Tags

NGSS.HS-PS1-1