Front

What are convection currents?

Back

Convection currents are the movement of fluid (liquid or gas) caused by the uneven heating of the fluid, resulting in the transfer of heat. Warm fluid rises while cool fluid sinks.

Front

What is elastic potential energy?

Back

Elastic potential energy is the energy stored in elastic materials as the result of their stretching or compressing.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object due to its motion. It depends on the mass and speed of the object.

Front

What is chemical energy?

Back

Chemical energy is the energy stored in the bonds of chemical compounds, like atoms and molecules. It is released or absorbed during a chemical reaction.

Front

What is mechanical energy?

Back

Mechanical energy is the sum of potential energy and kinetic energy in an object. It is the energy associated with the motion and position of an object.

Front

What is the greenhouse effect?

Back

The greenhouse effect is the warming of Earth's surface due to the trapping of heat by greenhouse gases in the atmosphere.

Front

What is air pollution?

Back

Air pollution is the presence of harmful substances in the air that can cause health problems and environmental damage.

Front

What is transpiration?

Back

Transpiration is the process by which water is absorbed by plant roots, moves through plants, and is released as water vapor through pores in leaves.

Front

What is the role of predators in an ecosystem?

Back

Predators help control the population of prey species, maintaining a balance in the ecosystem.

Front

What is the significance of biodiversity?

Back

Biodiversity refers to the variety of life in a particular habitat or ecosystem. It is important for ecosystem resilience, stability, and providing resources.