PMA 3 -6th grade Concepts Review

Front

What is a virus?

Back

A virus is a microscopic infectious agent that requires a host cell to replicate and is not considered a living organism.

Front

How do viruses reproduce?

Back

Viruses cannot reproduce independently; they must infect a host cell to replicate.

Front

What is the primary difference between viruses and bacteria?

Back

Bacteria can reproduce on their own, while viruses need a host cell.

Front

What is the biosphere?

Back

The biosphere is the global sum of all ecosystems, where life exists, including land, water, and the atmosphere.

Front

What is the geosphere?

Back

The geosphere is the solid part of the Earth, including rocks, soil, and the Earth's interior.

Front

How do the biosphere and geosphere interact?

Back

The geosphere provides a habitat for organisms in the biosphere.

Front

What is potential energy?

Back

Potential energy is the stored energy in an object due to its position or state.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object in motion.

Front

Give an example of potential energy being transformed into kinetic energy.

Back

A stretched rubber band being released.

Front

What is a characteristic of all cells?

Back

All cells contain DNA.