Page 296 - DK Children's Encyclopedia

Glossary burrow cold-blooded
Hole or tunnel dug in the ground
Animal with a body temperature
that goes up and down to match
by an animal, to live in
calendar the surrounding air or water
temperature
Breakdown of the year into
days and months; used to work colony
abstract atmosphere out the date Large group of animals that
Art that does not copy real life Layer of gas that surrounds live together
exactly, but may only look a bit like a planet camouflage
an object, or represent a feeling Colors or patterns that help comet
atom something appear to blend in Object made of dust and ice that
adaptation Smallest part of an element with its environment orbits around the sun, developing
Way in which an animal or a plant that can take part in a chemical a tail as it gets close to the sun
becomes better-suited to its reaction carnivore
habitat Animal that eats only meat competition
attract Contest between two or more
algebra When two things pull cartilage people, groups, or living things
Type of math that uses letters to toward each other Tough but flexible material where one is trying to win a prize
stand for numbers or amounts avalanche found in animals that, among or resource
other things, makes up the
amphibians Sudden movement of a large human nose and ears, and the computers
Cold-blooded vertebrates that amount of snow or rock down skeletons of sharks Machines that can perform
start life in water before moving a mountainside difficult tasks by following
between land and water when catapult programs
fully grown axis Ancient war machine used to
Imaginary line that passes hurl rocks over long distances condensation
ancestor through the center of a planet When a gas cools and becomes
Ancient relative or star, around which it rotates CE liquid. Often seen as droplets
Common Era, or all the years
ancient bacteria after year 0 of water that form on cold
Very old Tiny organisms that live surfaces, such as windows
everywhere on Earth, such as chemical
antenna inside food, soil, or even in Substance used in, or made by, conductor
One of two feelers found on an the human body a reaction between particles Substance that allows heat
insect‘s head with which they can such as atoms or electricity to pass through
sense their surroundings BCE it easily
Before Common Era, or all the chemistry coniferous tree
appliance years before year 0 Study of chemicals and their
Machine used for a certain job reactions. Someone who studies Type of evergreen tree, usually
that is usually electrical, such as beliefs chemistry is called a chemist with needlelike leaves
a toaster Set of views that people hold conquer
about the world, life, and the chrysalis Act of one country taking over
aqueduct afterlife Hard casing, often camouflaged,
Channel or bridge built to that a caterpillar wraps itself in another country
carry water biology during metamorphosis conservation
architect Study of living things and their circuit Trying to stop a plant or animal
relationship with their habitat.
Person who plans and Someone who studies biology is Loop that an electric current from becoming extinct
designs buildings called a biologist travels around consumer
armor birds circulation Animal that eats a producer or
Hard covering that Warm-blooded vertebrates with Path that blood travels around other consumers
provides protection a beak and feathers that can the body, out from the heart continent
army usually fly. They lay hard-shelled through arteries and back to the One of seven large areas of land
Organized group of soldiers eggs to produce young heart through veins into which the world is divided:
Africa, Antarctica, Asia, Europe,
artificial black hole citizen North America, Oceania, and
Object that is made by humans Object in space with such a Someone who lives in a certain South America
and is not found naturally strong force of gravity that city or country is a citizen of
nothing can escape it, not that place coral
asteroid even light Hard outer skeleton of tiny sea
Small, rocky object that orbits civil war animals, which can build up into
the sun boil War between people who large coral reefs
When a liquid is heated to a belong to the same country
asteroid belt temperature at which it bubbles core
Area of the solar system between and turns into a gas or vapor civilization Center part of a planet, star,
Mars and Jupiter containing a large Society where people have built or moon
number of asteroids boundary a complex city or country country
The point where one area ends
astronaut and another begins. climate Area of Earth that is governed
Someone who is trained to travel Weather that is usual for an area by the same leaders and has
and work in a spacecraft breed over a long period of time the same flag
Variety of a pet or farmed
astronomy animal; for example, a pug is code court
Study of space a breed of dog Written commands, or language, Place where it is decided if
used in a computer program
someone has broken the law
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