8 SCI Fall Final Review

Front

What is the main role of the nervous system?

Back

To sense and respond to changes in the body and environment.

Front

What defines one day on Earth?

Back

The time needed for Earth to rotate once on its axis.

Front

What is a star?

Back

A gaseous object that makes its own heat and light through nuclear fusion reactions.

Front

Which season has the least daylight hours?

Back

Winter.

Front

What are living organisms capable of making their own food called?

Back

Producers.

Front

What is the function of producers in an ecosystem?

Back

They convert sunlight into energy through photosynthesis, forming the base of the food chain.

Front

What is the process of nuclear fusion?

Back

A reaction where two atomic nuclei combine to form a heavier nucleus, releasing energy.

Front

What is the tilt of the Earth's axis responsible for?

Back

The changing seasons and varying daylight hours throughout the year.

Front

What is the difference between rotation and revolution?

Back

Rotation is the spinning of Earth on its axis, while revolution is the orbit of Earth around the Sun.

Front

What is an example of a producer?

Back

Plants, as they create their own food through photosynthesis.