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3rd grade science review rocks, fossils, and earth layers Flashcards | StudBud
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3rd grade science review rocks, fossils, and earth layers
3rd grade science review rocks, fossils, and earth layers
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End of the year review #3rdgrade #science #rocks #fossils #earth'slayers
Flashcards
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Questions
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Answers
1
Which rock contains crystals?
marble
obsidian
conglomerate
shale
2
Which earth materials make up this ring?
soil and water
plants and metals
water and wood
metal and minerals
3
Which best describes how fossils are useful?
They show what will happen to Earth's climate.
The show whether there is life on other planets.
They show how animals change over time.
They show the age of Earth
4
What earth material is a cheese grater made of?
wood
soil
water
metal
5
Which type(s) of rock often forms ribbon-like layers?
sedimentary
igneous
all three types
metamorphic
6
Which best describes fossils?
descriptions of Earth's rock cycle
predictions of future animals on Earth
records of past life on Earth
evidence of Earth's formation
7
Which two layers of the Earth are solid?
crust and outer core
crust and mantle
mantel and outer core
inner core and crust
8
How is an animal's bones most likely to become fossils?
by being heated in a fire
by being buried by sediments
by being crushed
by being carried away by water
9
Which best describes sandstone?
a smooth glassy rock
gray rock with lots of holes
grainy bits of rock compacted together
shiny rocks with crystals
10
What will most likely stop an animal remains from becoming fossils
contact and oxygen
strong wind
sedimentation
evaporation
11
Which animal would scientists most likely find in amber?
amoeba
dove
turtle
ant
12
Which property is commonly used to classify rocks by type?
strength
length
texture
weight
13
Which is the 2nd layer?
mantle
crust
outer core
inner core
14
About how hot is the Earth's core?
1,500'F
210'F
7,200 'F
30 'F
15
Which best describes quartzite?
igneous rock with a smooth, black surface
metamorphic rock with traces of shells
igneous rock with rough textures
metamorphic rock with lots of crystals
16
which best describes a pumice?
igneous rock that is full of air holes
sedimentary rock with fossils
igneous rock that is smooth and glassy
sedimentary rock that breaks apart easily
17
Which animal would scienctist most likely find fossil remains of?
trilobite
earthworm
chimpanzee
jelly fish
18
Which of the following is most likely to become a fossil?
fruit
hair
salt
shell
19
About how thick is the Earth's mantle?
360 miles
1400 miles
1800 miles
28 miles
20
Which best describes obsidian?
sedimentary rock that is white and gray
sedimentary rock that is full of fossils
Igneous rock that is pink with air holes
igneous rock that is black and small-grained
21
What can a scientist learn from an animal fossil?
the size and shape of the animal
how well the animal could see
if the animal was brave
how much food is ate during its life
22
Which of Earth' layers do people live on?
crust
inner core
mantel
outer core
23
Which type(s) of rock contains minerals?
sedimentary
all of the above
igneous
metamorphic
24
Which is a property of a rock?
whether the rock can be scratched with a nail
whether the rock is long or short
whether the rock is rounded or not
whether the rock's grains are large or small
25
What earth material makes up a t-shirt?
rocks
soil
plant fiber (cotton)
minerals
