PMA 3 Review 6th grade topics

What is the basic unit of life according to the cell theory?

• Tissue

• Organ

• Cell

• Organism

Which of the following is a single-celled organism?

• Human

• Bacterium

• Tree

• Dog

Which infectious agent is known for being non-living and requires a host to replicate?

• Bacteria

• Virus

• Fungi

• Parasite

How do fungi differ from bacteria?

• Fungi are single-celled, while bacteria are multi-cellular.

• Fungi are multi-cellular, while bacteria are single-celled.

• Both are viruses.

• Both are parasites.

What type of energy is stored in an object due to its position?

• Kinetic energy

• Thermal energy

• Potential energy

• Chemical energy

Which of the following is an example of kinetic energy transforming into potential energy?

• A car parked on a hill

• A ball rolling down a hill

• A stretched bowstring

• A book sitting on a shelf

What is the primary effect of the jet stream on local weather?

• It increases humidity.

• It influences wind direction and speed.

• It decreases air pressure.

• It raises temperature.

How do ocean currents affect local weather?

• They have no effect.

• They only affect precipitation.

• They can change temperature and humidity.

• They only affect air pressure.

What is the process called when water vapor turns into liquid water?

• Evaporation

• Condensation

• Precipitation

• Sublimation

Which part of the water cycle involves water returning to the Earth's surface from the atmosphere?

• Evaporation

• Transpiration

• Precipitation

• Infiltration