Today's Rocket Words: Your 5 words and meanings to learn
beaker
a glass with a wide mouth and usually a lip for pouring that is used especially in science laboratories for holding and measuring liquids
insulator
a material that is used to stop the passage of electricity, heat, or sound from one conductor to another
imperative
of vital importance; crucial
uncertainty
the interval within which the true value is expected to lie
effective
successfully achieving the most accurate result