HCS 04/05 Quarter 2 CSA Review

Front

What is the relationship between voice frequency and age?

Back

Adults typically have deeper voices than children because children's voices vibrate more quickly, resulting in a higher frequency.

Front

What is the definition of bacteria growth?

Back

Bacteria growth refers to the increase in the number of bacteria over time, often measured in a specific time frame.

Front

What type of weather is indicated by drizzly rain?

Back

Drizzly rain is characterized by light rain that falls steadily, often associated with overcast skies.

Front

What is kinetic energy?

Back

Kinetic energy is the energy associated with an object in motion.

Front

How do sound waves travel in different mediums?

Back

Sound waves travel more efficiently in water than in air, allowing whales to communicate over long distances.

Front

What is the definition of potential energy?

Back

Potential energy is the stored energy in an object due to its position or state.

Front

What is thermal energy?

Back

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

Front

What is the significance of frequency in sound?

Back

Frequency determines the pitch of a sound; higher frequencies result in higher pitches.

Front

How do you calculate the growth of bacteria?

Back

To calculate the growth of bacteria, you can use the formula: final amount = initial amount x growth rate^time.

Front

What is the difference between sound waves in solids, liquids, and gases?

Back

Sound waves travel fastest in solids, slower in liquids, and slowest in gases due to the density and arrangement of particles.