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JMMS 7th Grade Science! Flashcards | StudBud
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JMMS 7th Grade Science!
JMMS 7th Grade Science!
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An end of school year #science quiz quiz!
Flashcards
25 cards
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Practice quiz
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Host live
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Questions
25
Answers
1
When magma cools, what type of rock does it become?
Sedimentary
Metamorphic
Rock n roll!
Igneous
2
How can you balance a chemical equation?
Switch the equation
Change the coefficients
Change the elements
Change the subscripts
3
What is the ultimate source of energy for almost all food chains on Earth?
plants
carbohydrates
the sun
meat
4
A number placed in front of a chemical formula in an equation is called what?
product
subscript
reactant
coefficient
5
Name the four layers of the earth
Crust, outer core, bottom and top
Crust, Mantle, Outer core and bottom
Crust, Mantle, Sky and Ground
Crust, Mantle, outer core and inner core
6
What are the products in this chemical reaction? C
6
H
12
O
6
+ 6O
2
-->6H
2
o + 6 CO
2
6H2o and 6 CO2
6O2 and 6H2o
C6H12O6 and 6O2
C6H12O6 and 6 CO2
7
In which type of interaction do both species benefit?
predation
commensalism
parasitism
mutualism
8
The smallest piece of matter that has all the properties of an element is the ____ .
molecule
neutron
proton
atom
9
What principle states that during a chemical reaction, matter isn't created or destroyed?
Chemical change
Destruction
Law of conservation of mass
10
Non-living things in ecosystems are called?
abiotic
biotic
11
What is the hottest layer of the earth?
crust
continents
core
mantle
12
Which element is not a Noble Gas?
sodium
helium
neon
krypton
13
Which type of rock has fossils and forms when layers of sand or silt are compacted over time?
Sedimentary
Metamorphic
Igneous
14
What is the difference between natural and synthetic materials?
natural is common and synthetic is not
there is no difference
Natural is made of nature; synthetic is man-made.
15
Which of the following is heterotrophic?
Grass
Sunflowers
Daisies
Mushrooms
16
Plants are called _____, as they make food from light, water and air.
secondary consumers
primary producers
heterotrophs
autotrophs
17
In what cellular organelle does photosynthesis occur?
mitochondria
cell membrane
nucleus
chloroplast
18
What is a CONVERGENT plate boundary?
2 plates moving apart
2 plates colliding
a ridge
2 plates sliding past each other
19
What is the name of Alfred Wegener's theory?
Continental Moving
Continental Drift
Continental Breakfast
Pangaea
20
Which organisms have the MOST available energy?
Apex predators
Secondary consumers
Primary Producers
Primary consumers
21
Where do volcanoes occur most often?
by mountains
in the desert
at plate boundaries
near oceans
22
A horse that is feeding on grass would be called a(n):
consumer
herbivore
carnivore
producer
23
What is the CHARGE on an neutron?
Negative
Neutral
Positive
24
Which biome is located at the north and south poles, and is permanently frozen?
Taiga
Savannah
Rainforest
Tundra
25
In the molecular formula 3H
2
O, there are
2 hydrogens and 3 oxygen atoms
32 hydrogens and 3 oxygen atoms
3 hydrogens and 1 oxygen atom
6 hydrogens and 3 oxygen atoms
