GUESS THE WORD
Something that makes a process happen faster.
accelerate
Scientists ______ experiments to test their ideas.
Conduct
The ______ of electricity changed the world.
(invent)
invention
Scientific ______ has improved our lives
dramatically.
progress
Something that can cause harm.
threat
The activity of growing crops and raising animals.
Agriculture
People must take immediate ______ to protect the environment.
Measures
Scientific ______ requires careful planning.
(experiment)
experimentation
The Earth ______ around the Sun.
revolves
Anything that has physical existence.
substance
A difficult situation that tests your ability.
Challenge
Scientists hope to ______ enough evidence before making a conclusion.
Obtain
The new bridge is still under ______. (construct)
construction
Doctors often ask patients to ______ medical tests before surgery.
undergo
Extremely important or necessary.
Vital
A group of people with an advanced society, culture, and government.
Civilization
Many scientists ______ whether life exists on other planets.
Wonder
After years of careful research, the scientist made an important ______. (observe)
observation
Wind turbines ______ electricity without polluting the environment.
generate
The speed at which something happens.
pace
A medicine that helps protect people from a disease.
Vaccine
Scientists cannot make a conclusion without enough ______.
Evidence
Scientists can study evidence, but they cannot always ______ the future accurately. (prediction)
predict
Scientists must ______ enough evidence before publishing their results.
gather
An event or fact that can be observed and explained by science.
phenomenon