Which of the following is an example of "interaction" between the spheres of Earth?

The birds fly in the air and eat worms from the ground.

What is a characteristic of combustion reactions?

They produce H2O, They produce CO2

Label the layers of the Earth.

crust, mantle, outer core, inner core

The crust of the Earth...

is the part we stand on, made of soil, rocks, water, etc.

Which of these explains the role plants play in the carbon cycle?

plants absorb carbon dioxide and release oxygen

protons are positive, neutrons are neutral, electrons are negative

Atmosphere, Lithosphere, Hydrosphere, Biosphere

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Year 9 Science: Earth Science and Chemistry Review

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Questions 12

Answers

1
Which of the following is an example of "interaction" between the spheres of Earth?
The rocks on the cliff are sharp.
The ocean is very salty.
The birds fly in the air and eat worms from the ground.
The tree stands tall.
2
There are ____ periods and ____ groups.
18, 7
8, 5
7, 18
5, 8
3
Atoms of the same element that have a different number of neutrons are called ____________.
isotopes
indicators
ions
isomers
4
True or False - The biosphere contains all of the ecosystems
False
True
5
What is a characteristic of combustion reactions?
They produce H2O
Elements are always combined
Elements are always combined
They produce CO2
6
Label the layers of the Earth.
crust, outer core, mantle, inner core
crust, mantle, outer core, inner core
inner core, mantle, crust, outer core
crust, outer core, inner core, mantle
7
The crust of the Earth...
is 100km thick, and made up of volcanoes and lava
goes halfway through the Earth.
is very thin, we have drilled all the way through it
is the part we stand on, made of soil, rocks, water, etc.
8
Which of these explains the role plants play in the carbon cycle?
plants release nitrogen that contributes to greenhouse gas
plants absorb carbon dioxide and release oxygen
plants release carbon dioxide
all of the above
9
How are chemical reaction equations written?
Reactants -----> Reactants
Products -----> Reactants
Reactants <---- Products
Reactants ---> Products
10
How many protons, neutrons and electrons does a Nitrogen atom have?
7, 14, 7
7, 0, 7
7, 7, 7
14, 14, 7
11
subtomic particals
protons are negative, neutrons are neutral, electrons are positive
protons are positive, netrons are negative, electrons are neutral
protons are positive, neutrons are neutral, electrons are negative
protons are positive, neutrons are neutral, electrons are neutral
12
Spheres of the Earth
Lithosphere, Atmosphere, Geosphere, Hydrosphere
Exosphere
Troposphere, Stratosphere, Mesosphere, Thermosphere
Atmosphere, Lithosphere, Hydrosphere, Biosphere

Year 9 Science: Earth Science and Chemistry Review Flashcards | StudBud