Science ACT

Front

What is pH and how does it affect aquatic life?

Back

pH is a measure of how acidic or basic water is. It affects the health of aquatic life; for example, a pH of 5.5 can be harmful to tadpoles.

Front

What is the significance of the Mean Composite Score in standardized tests?

Back

The Mean Composite Score represents the average score of all test-takers, indicating overall performance and helping to assess educational standards.

Front

At what age do humans typically exhibit the highest 'cuteness factor'?

Back

Humans are generally considered most cute at an age less than 2 years.

Front

What is thermal conductivity and why is it important in geology?

Back

Thermal conductivity is the ability of a material to conduct heat. It is important in geology for understanding how different rock types respond to temperature changes.

Front

What is a triple point in the context of states of matter?

Back

The triple point is the temperature and pressure at which three phases of a substance coexist in thermodynamic equilibrium.

Front

Define the term 'aquatic ecosystem'.

Back

An aquatic ecosystem is a water-based environment where organisms interact with each other and their surroundings, including freshwater and marine systems.

Front

What is the role of temperature in the behavior of gases?

Back

Temperature affects gas behavior; as temperature increases, gas particles move faster, leading to increased pressure if volume is constant.

Front

Explain the concept of 'mean' in statistics.

Back

The mean is the average of a set of numbers, calculated by dividing the sum of all values by the number of values.

Front

What is the difference between acidic and basic solutions?

Back

Acidic solutions have a pH less than 7, while basic solutions have a pH greater than 7. Neutral solutions have a pH of 7.

Front

What is the significance of the rock cycle?

Back

The rock cycle describes the continuous process of rock formation, breakdown, and reformation, illustrating the dynamic nature of Earth's geology.