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