What do we call moving air?
Wind
What tool measures temperature?
Thermometer
Tiny living things that are too small to see without a microscope are called _____.
Microorganisms (or microbes)
Scientists collect this during investigations.
Data
Tiny particles that make up matter.
Molecules
Water falling from clouds is called _____.
Precipitation
When something gets hotter, it gains more _____.
Energy
True or False: All microbes are harmful.
False
A prediction about what might happen.
Hypothesis
Energy that can be transferred from one object to another.
Thermal energy
Water vapor changing into liquid water is called _____.
Condensation
Molecules move faster in hot objects or cold objects?
Hot objects
What tool do scientists use to see most microbes?
A microscope
A test done to answer a question.
Experiment
What is the word for when things are balanced or the same on both sides, like when energy or temperature becomes equal?
Equilibrium
What process changes liquid water into water vapor?
Evaporation
When molecules gain energy, do they move faster or slower?
Faster
True or False: Your body is home to trillions of microbes.
True
Scientists use observations to gather _____.
Information
When molecules bump into each other.
Collisions
As an air parcel rises higher in the troposphere, does it get warmer or cooler?
Cooler
What happens to most materials when they are heated: do they expand or contract?
Expand
Microbes can be found only inside your body or both inside and outside your body?
Both inside and outside your body
Conclusions should be based on _____.
Evidence
What word means using clues and evidence to make a logical guess?
Infer