STAAR Science Review

Front

What are the properties of noble gases like neon, argon, and krypton?

Back

Noble gases are gaseous at room temperature and chemically stable.

Front

How does silicon compare to sulfur in terms of electrical conductivity?

Back

Silicon is a better conductor of electricity than sulfur.

Front

What is the formula to calculate force?

Back

Force (F) = mass (m) × acceleration (a).

Front

How many atoms of each element are in ammonium phosphate, (NH₄)₃PO₄?

Back

3 nitrogen (N), 12 hydrogen (H), 1 phosphorus (P), and 4 oxygen (O) atoms.

Front

What causes the changing of seasons on Earth?

Back

The tilt of the Earth at an angle of 23.5º relative to its position to the Sun.

Front

What is the state of silicon at room temperature?

Back

Silicon is a solid at room temperature.

Front

What is the significance of noble gases in chemical reactions?

Back

Noble gases are chemically stable and do not readily react with other elements.

Front

What is the difference between a conductor and an insulator?

Back

A conductor allows electricity to flow easily, while an insulator resists the flow of electricity.

Front

What is the role of mass in the acceleration of an object?

Back

Greater mass results in less acceleration for the same applied force.

Front

What is the chemical formula for ammonium phosphate?

Back

(NH₄)₃PO₄.