GLOSSARY
airtight
(AIR-tite) not letting any air
through
aliens
(AY-lee-uhns) beings from outer
space
battery
(BAT-ur-ee) a source of power
beeswax
(BEEZ-waks) wax made by
honeybees used to build honeycombs in
their hives
convection
(kuhn-VEK-shuhn) transfer of
heat due to the movement of air or water
duct tape
(DUHKT TAYP) special tape that
is strong, flexible, and waterproof
electrodes
(ih-LEK-trodez) conductors
through which electricity enters or leaves an
object
electrolyte
(ih-LEK-truh-lite) a liquid or
gel that contains ions and carries electric
charges
extraterrestrials
(ek-struh-tuh-RES-tree-
uhlz) beings from outside Earth
fibers
(FYE-burz) tiny threads
filter
(FIL-tur) a material that allows things
to pass through while keeping unwanted
things out
hacks
(HAKS) tricks
infect
(in-FEKT) to make others sick
insulate
(IN-suh-late) to keep warm
lint
(LINT) clothes fuzz often found in
dryers
mothership
(MUHTH-ur SHIP) the main
UFO, headquarters
orbit
(OR-bit) to move in a curved path
around a celestial object
phosphors
(FAHS-furz) substances that
emit light under a black light
quinine
(KWYE-nine) a substance that
emits light under a black light
solar
(SOH-lur) of the sun
solar systems
(SOH-lur SIS-tuhmz)
systems that include a sun and all the
objects that orbit it
tonic water
(TAH-nik WAW-tur) a type of
soda with quinine
UFO
(YOO-EF-OH) unidentified flying
object, a spaceship
UV
(YOO-VEE) ultraviolet rays that humans
can’t see
INDEX
air mask
, 11–13
aliens
, 4–9, 18, 30
astrobiology
, 26
battery
, 23–25
beeswax
, 28, 29
black light
, 16, 17
convection
, 21
copper
, 24, 25
electrodes
, 25
electrolytes
, 25
exoplanets
, 26
fibers
, 13
filter
, 13
fire
, 27–29
glow water
, 15–17
insulation
, 21
lemons
, 23–25
Mars
, 10
phosphors
, 17
quinine
, 17
SETI
, 30
solar oven
, 19–21
Stonehenge
, 30
survival
, 8
UFOs
, 27, 30
UV rays
, 17
wet cloth
, 12, 13
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