Core Knowledge Science Review

Front

What are Benthic Creatures?

Back

Benthic creatures are organisms that live on or near the bottom of water bodies, such as oceans, rivers, and lakes. An example is a crab.

Front

How long does it take for Earth to revolve around the Sun?

Back

It takes Earth approximately 364 days to complete one revolution around the Sun.

Front

Who proposed the Continental Drift Theory?

Back

Alfred Wegener proposed the Continental Drift Theory, which later contributed to the understanding of plate tectonics.

Front

At what angle does Earth's axis tilt towards Polaris?

Back

Earth's axis tilts at an angle of 23.5 degrees towards Polaris.

Front

Who discovered Penicillin?

Back

Alexander Flemming discovered Penicillin, which is an antibiotic.

Front

What is the definition of Plate Tectonics?

Back

Plate tectonics is the scientific theory that describes the large-scale movements of Earth's lithosphere, which is divided into tectonic plates.

Front

What is the role of Zooplankton in aquatic ecosystems?

Back

Zooplankton are small, often microscopic animals that drift in water and serve as a crucial food source for larger animals in aquatic ecosystems.

Front

What is the significance of the tilt of Earth's axis?

Back

The tilt of Earth's axis is significant because it affects the seasons and climate patterns on Earth.

Front

What is the difference between Benthic and Pelagic zones?

Back

Benthic zones refer to the bottom of water bodies, while Pelagic zones refer to the open water column away from the bottom.

Front

What is the main cause of ocean currents?

Back

Ocean currents are primarily caused by wind, the Earth's rotation, and differences in water temperature and salinity.