Observing God's World Test 11

the speediest planet

Mercury

the North Star is also known as

Polaris

Father of Modern Rocketry

Robert Goddard

discovered that white light is a combination of many colors

SIr Issac Newton

known for its rings

Saturn

brightest star at night

Sirius

composed of more than one type of atom bonded together

compounds

hot center of the sun

core

amount of matter in one unit of volume

density

system containing millions to billions of stars

galaxy

scientist who studies the structure of the earth

geologist

allows a satellite to remain in the same spot at all times

geostationary

the metric unit used to measure mass

gram

takes up space and has mass

matter

all insects have ? body regions

3

first American to orbit the earth

John Glenn

largest moon is Ganymede

Jupiter

First man on the moon

Neil Armstrong

Discovered by Herschels

Uranus

called the morning star

Venus

first man to travel in space

Yuri Gagarin

length of one complete wave or cycle

wavelength

a measure of the pull of gravity on an object

weight

spiders are known as

arachnids

number of protons in an element

atomic number

tiny particles that all matter is composed of

atoms

the process of arranging animals or other things into groups according to their similarities

classification

chemical reaction that occurs when a substance reacts rapidly with oxygen

combustion

the hottest region of the sun's atmosphere

corona

animals that have jointed appendages, segmented bodies and external skeletons

crustaceans

The trembling or shaking of the earths crust

earthquakes

negative particles found in an atom

electrons

substance composed of only one atom

element

the ability of a crustacean to grow back a body part

regeneration

rock formed by sand and mineral particles

sedimentary

formed by electrons that are in orbit the same distance from the nucleus

shell

magma that has reached the earth's surface

lava

the amount of matter that makes up an object

mass

rock that has been changed by heat or pressure

metamorphic

two or more atoms that are bonded tightly together

molecule

Large clouds of gas and dust floating around in space...

nebulac

lacking an electrical charge

neutral

a back and forth motion that repeatedly follows the same path

oscillation

positive particles found in a nucleus

protons

a single rise or depression in a wave

pulse

the bending of any wave direction

refraction