Let's put it all together!

Front

What is serotonin?

Back

Serotonin is a chemical substance that helps relay messages in the human brain.

Front

How many atoms are in a molecule of serotonin?

Back

There are 25 atoms in a molecule of serotonin.

Front

What is the difference between distance and displacement?

Back

Distance is the total path traveled, while displacement is the shortest path from the starting point to the endpoint.

Front

What type of heat transfer occurs in liquids and gases?

Back

Convection is the type of heat transfer that occurs in liquids and gases.

Front

What is the formula for average speed?

Back

Average speed = Total distance / Total time.

Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact between materials.

Front

What is radiation?

Back

Radiation is the transfer of heat in the form of electromagnetic waves.

Front

What is the definition of average speed?

Back

Average speed is the total distance traveled divided by the total time taken.

Front

What is the significance of a heat source in an experiment?

Back

A heat source provides energy that can change the temperature of a substance.

Front

What is the role of models in scientific investigations?

Back

Models help visualize and understand complex systems or processes.