Fall Semester Review 2024

Front

What season is the northern hemisphere experiencing when it is winter?

Back

Winter is experienced in the northern hemisphere during the months of December, January, and February.

Front

What happens to the mass of reactants in a chemical reaction?

Back

The mass of the reactants remains the same as per the law of conservation of mass.

Front

What is the chemical formula for methane?

Back

The chemical formula for methane is CH4.

Front

How many atoms are present in four molecules of methane (CH4)?

Back

Four molecules of methane contain 4 atoms of carbon and 16 atoms of hydrogen.

Front

What force causes a coin tossed in the air to change its velocity?

Back

The force of gravity causes the coin to change its velocity.

Front

What is a divergent boundary in geology?

Back

A divergent boundary is a tectonic plate boundary where two plates move away from each other.

Front

What is the result of a chemical reaction according to the law of conservation of mass?

Back

The total mass of the products equals the total mass of the reactants.

Front

What is inertia?

Back

Inertia is the tendency of an object to resist changes in its state of motion.

Front

What is the role of gravity in motion?

Back

Gravity pulls objects toward the center of the Earth, affecting their motion.

Front

What is the significance of chemical equations?

Back

Chemical equations represent the reactants and products in a chemical reaction, showing the conservation of mass.