Science Mini-STAAR Practice Test

Front

What is a transform plate boundary?

Back

A transform plate boundary is a type of tectonic plate boundary where two plates slide past each other horizontally.

Front

Why does Texas experience more hurricanes in August than in January?

Back

Ocean temperatures are higher in August than in January, which contributes to more hurricanes.

Front

What happens to an atom if the number of protons changes?

Back

If the number of protons in an atom changes, it becomes a different element.

Front

Which subatomic particle has a much greater mass than an electron?

Back

A proton has a much greater mass than an electron.

Front

What is a divergent plate boundary?

Back

A divergent plate boundary is where two tectonic plates move away from each other, often creating new crust.

Front

What is a convergent plate boundary?

Back

A convergent plate boundary is where two tectonic plates move towards each other, often causing one plate to be forced below the other.

Front

What is the role of neutrons in an atom?

Back

Neutrons help stabilize the nucleus of an atom and contribute to its mass.

Front

What is the difference between oceanic and continental plates?

Back

Oceanic plates are denser and thinner than continental plates, which are thicker and less dense.

Front

What is the significance of valence electrons?

Back

Valence electrons determine how an atom can bond with other atoms.

Front

What is the mass of a neutron compared to a proton?

Back

The mass of a neutron is approximately equal to the mass of a proton.