17j) FINAL - Science 9 Sem 1

Front

What is an isotope?

Back

An isotope is a variant of a chemical element that has the same number of protons but a different number of neutrons.

Front

What is the atomic number of Carbon?

Back

The atomic number of Carbon is 6, which means it has 6 protons.

Front

What happens to the movement of molecules when heat is added to matter?

Back

The molecules begin to move more.

Front

What are the horizontal rows of the Periodic Table called?

Back

The horizontal rows of the Periodic Table are called Periods.

Front

What is the relationship between temperature and the volume of gases?

Back

Generally, as temperature increases, the volume of gases increases.

Front

What is the definition of time in physics?

Back

Time is a measure of the duration of events and is often measured in seconds.

Front

What happens to the volume of a basketball when it is left outside in the cold?

Back

The volume of the basketball decreases.

Front

What is the definition of distance in physics?

Back

Distance is the total path length traveled by an object, regardless of direction.

Front

What is the definition of speed?

Back

Speed is the distance traveled per unit of time.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.