STAAR Science 8th Grade Review

Front

What is Divergent Plate Movement?

Back

Divergent Plate Movement occurs when tectonic plates move away from each other, leading to the formation of rifts and ocean ridges.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Front

What indicates a new substance has formed in a chemical reaction?

Back

The formation of a yellow solid that settles to the bottom of the beaker indicates a new substance has formed.

Tags

NGSS.MS-PS1-2

Front

Where can gases like oxygen be found on the periodic table?

Back

Gases like oxygen are found in section D of the periodic table.

Front

How many different elements are in the compound H2COCH2?

Back

There are 3 different elements in H2COCH2: Hydrogen (H), Carbon (C), and Oxygen (O).

Tags

NGSS.MS-PS1-1

Front

What energy changes occur when a match is struck against sandpaper?

Back

The chemical energy stored in the match changes to thermal energy and light energy when it burns.

Tags

NGSS.MS-PS1-2

Front

What are Convection Currents?

Back

Convection Currents are the movement of fluid caused by differences in temperature and density, often seen in liquids and gases.

Tags

NGSS.MS-ESS2-6

Front

What is the definition of a chemical reaction?

Back

A chemical reaction is a process where substances (reactants) are transformed into different substances (products) through the breaking and forming of bonds.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is the role of oxygen in living organisms?

Back

Oxygen is essential for cellular respiration, a process that allows living organisms to convert food into energy.

Tags

NGSS.MS-LS2-3

Front

What is a rift?

Back

A rift is a linear zone where the Earth's crust is being pulled apart, often leading to the formation of new oceanic crust.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter, related to the motion of particles.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4