OpenSciEd 6.2 Lessons 1-5

Front

What word is used to describe parts that work together (interact) in a meaningful way?

Back

system

Front

What causes the water's temperature to change in the cups?

Back

heat and cold entering and leaving the cups

Front

Cups that are good at keeping cold drinks cold are also good at keeping hot drinks hot.

Back

True

Front

If you want to keep your drink's temperature the same, choose a cup without a lid.

Back

False

Front

If you want to keep your drink's temperature the same, choose a more walls or layers.

Back

True

Front

A system where matter can get in and out through openings in the system.

Back

open system

Front

A system where NO matter can get in and/or out of the system.

Back

closed system

Front

What is the smallest particle of water called?

Back

a water molecule

Front

What happens to liquid water molecules over time?

Back

they evaporate into gas

Front

Where does the water droplets (condensation) come from on the outside of cold cups?

Back

when humid air comes into contact with a cold surface