GED Science Practice 2/8/23

Front

What happens to the mass of food remaining at 28 hr as the percent of mass of proteins increases?

Back

The mass of food remaining at 28 hr decreases only.

Front

How did the average temperature change between the two cold seasons in the city with carbon-emitting power plants?

Back

The average temperature increased by 0.3°.

Front

What are scientific theories based on?

Back

Scientific theories are based on large amounts of data collected over time.

Front

What is a period in the context of waves?

Back

A period is the amount of time it takes a wave to complete one full cycle.

Front

What is the period for VL as shown in Figure 3?

Back

The period for VL is 20 msec.

Front

Which foods have water comprising over 100mg of mass when 200 mg of each food is represented?

Back

Cat food and ham only.

Front

Define 'mass percent' in the context of food composition.

Back

Mass percent is the percentage of a specific component (like protein) in relation to the total mass of the food.

Front

What is the significance of observing local temperatures in relation to global climate change?

Back

Observing local temperatures helps to determine if local trends align with global climate change patterns.

Front

Explain the importance of data collection in scientific research.

Back

Data collection is crucial as it provides the evidence needed to support or refute scientific theories.

Front

What does it mean when a wave has a longer period?

Back

A longer period means the wave takes more time to complete one full cycle.