December Test 2024

Front

What is acid rain?

Back

Acid rain is precipitation that contains high levels of sulfuric and nitric acids, resulting from the release of sulfur dioxide and nitrogen oxides into the atmosphere. It can harm ecosystems, buildings, and human health.

Front

What branch of government is responsible for making laws?

Back

The legislative branch is responsible for writing and enacting laws. It includes bodies such as Congress in the United States.

Front

How do you find the mode of a data set?

Back

The mode is the number that appears most frequently in a data set. For example, in the data set (4, 19, 34, 18, 17, 4, 10, 19, 2, 3, 19), the mode is 19.

Front

What conditions can lead to the formation of a tornado?

Back

A tornado can form when there is a sudden shift in wind speed and direction with height, often occurring in severe thunderstorms.

Front

What is a seismometer?

Back

A seismometer is an instrument that detects and records the vibrations caused by earthquakes, helping to measure their intensity and duration.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll, converting carbon dioxide and water into glucose and oxygen.

Front

What is nuclear fission?

Back

Nuclear fission is a nuclear reaction in which the nucleus of an atom splits into smaller parts, releasing a significant amount of energy, commonly used in nuclear power plants.

Front

What is nuclear fusion?

Back

Nuclear fusion is the process where two light atomic nuclei combine to form a heavier nucleus, releasing energy, and is the process that powers the sun.

Front

What is an algal bloom?

Back

An algal bloom is a rapid increase in the population of algae in water bodies, often due to excess nutrients, which can lead to oxygen depletion and harm aquatic life.

Front

What is biodiversity?

Back

Biodiversity refers to the variety of life in a particular habitat or ecosystem, including the diversity of species, genetic variation, and ecosystem diversity.