Cells Space Earth General

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Structure
of Atoms
Earth
Science
Cells
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Space
General
Science
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Negatively charged
particle with
extremely small
mass found in the
space around the
nucleus of atoms.
What are
electrons?
The subatomic particles
that have a positive
electrical charge and are
found in the nucleus.
What are
protons?
A neutral subatomic
particle in an atom’s
nucleus that has a mass
nearly equal to that of a
proton.
What is a
neutron?
Division of an atom’s
nucleus into two or more
fragments resulting in a
release of neutrons and
energy.
What is fission?
The process in which
atomic nuclei with small
masses are combined to
form a nucleus with a
larger mass.
What is
fission?
It includes gamma rays,
X-rays, ultra-violet,
visible light and
microwaves.
What is
electromagnetic
radiation?
It is a way to estimate the
age of a fossil based on
the remaining amount of
Carbon-14
What is Carbon
Dating?
It is caused by the natural
heating of Earth’s surface
by certain atmospheric
gases which helps keep
Earth warm enough to
sustain life.
What is the
greenhouse
effect?
It is a geological
explanation for the
movement of continents
over Earth’s thick, liquid
interior
What is plate
tectonics?
It is the ancient landmass
made up of all the
continents that began to
break apart about 200
million years ago.
What is Pangea?
It is the central membranebound organelle that
manages cellular functions
and contains DNA
What is the
nucleus?
They are organelles
containing chlorophyll that
capture energy from the
sun to convert carbon
dioxide and water into
simple sugars.
What are
chloroplasts?
The process by which
autotrophs such as algae
and plants trap energy
from sunlight.
What is
photosynthesis?
They are the cell structures
in the nucleus that carry
the genetic material that is
copied and passed on from
generation to generation.
What are
chromosomes?
Organelles in eukaryotic
cells that transform
energy stored in food
molecules into ATP.
What are
mitochondria?
The leading theory about
the formation of the
universe which states that
the universe was created
about 15 billion years ago
after a huge explosion.
What is the Big
Bang Theory?
It is a massive group of
stars, gas, and dust held
together in space by
gravity. Ours is the Milky
Way.
What is a
galaxy?
It is a rocky remnant of the
early solar system found
mostly between the orbits of
Mars and Jupiter.
What is an
asteroid?
It produces a streak of
light when a meteroid
falls toward Earth and
burns up in Earth’s
atmosphere.
What is a
meteor?
A meteroid that does not
completely burn up in
Earth’s atmosphere and
strikes Earth’s surface,
sometimes causing an
impact crater.
What is a
meteorite?
The energy of an object
due to its motion.
What is kinetic
energy?
It is stored energy resulting
from the position of an
object.
What is potential
energy?
It is the force of attraction
for all objects that
depends on their masses
and the distance between
them.
What is gravity?
It is a complex
macromolecule such as
RNA or DNA that stores
genetic information in cells
in the form of a code.
What is Nucleic
Acid?
A structure, behavior, or
internal process that
enables an organism to
respond to stimuli and
better survive in an
environment.
What is an
adaptation?
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