Abeka 4th Grade, Science Test 9, (Ch. 7-9)

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humus

the decayed materials in soil

93 million miles

the distance the sun is from the earth

Milky Way

the galaxy in which our sun is located

24

the numbers of hours in one day

Earth

the only planet with life

solar system

the part of our galaxy made up of our sun and the eight planets

the earth is tilted on its axis

the reason we have seasons

Mars

the red planet

astronomy

the scientific study of the planets and stars

erosion

the wearing away of the earth's topsoil

conservation

the wise use of natural resources

facing the North Star

west is on your left

gases

what the sun is made of

slate

- hard, smooth metamorphic rock - makes excellent blackboards

mountains

are found on the moon

rotation

movement of the earth gives us a day

granite

- hard, abundant igneous rock - can be polished to make beautiful monuments and buildings - usually speckled with glittery crystals

shale

- the most common sedimentary rock - soft and often crushed to make brick

List the planets in order from the sun.

1. Mercury 2. Venus 3. Earth 4. Mars 5. Jupiter 6. Saturn 7. Uranus 8. Neptune

lungs

all marine mammals breathe air with their

revolution

movement of the earth gives us a year

365 1/4 days

the time it takes for the earth to travel around the sun

Saturn

a planet with rings

glacier

a slow-moving river of ice

crust

a solid layer of rock underneath the soil

constellation

a star picture

universe

all the things which God created

jellyfish

an invertebrate with many stinging tentacles is

craters

are holes on the surfacxe of the moon

God

determined the length of our week

salmon

fish that swims back to the stream where it was born to lay its eggs

sun's

gravity keeps the planets circling the sun

moon

heavenly body helps us divide our year into twelve months

magma

hot, liquid rock within the earth

a dolphin

is a mammal

an octopus

is an invertebrate

The Big Dipper

is part of the constellation called the Great Bear

continental shelf

part of the land under the ocean where most fish live

ocean floor

part of the land under the ocean which contains seamounts and volcanoes

sun

planets revolve around the

light-colored objects

reflect heat and light

Indian Ocean

warmest ocean

moon

is smaller than the sun and the earth

blue whale

largest animal that has ever lived

whale shark

largest fish

Pacific Ocean

world's largest ocean

Be able to identify

1. ptarmigan 2. pheasant 3. roadrunner 4. brown pelican 5. goldfinch 6. lark bunting 7. cardinal 8. chicken 9 scissor-tailed flycatcher

The number of the day on which God made each

First day - day and night Second day - the atmosphere or firmament Third day - land Fourth day - sun, moon, stars Fifth day - birds and water animals Sixth day - land animals and man

sediment

matter that settles to the bottom or sides of a body of water

zodiac

name of the group of twelve important constellations

full moon

when the earth is directly between the sun and the moon we see a


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