Composition of the Earth

What are the 4 main layers of the Earth?

a

b

c

d

crust

outer core

mantle

inner core

Tags

NGSS.MS-ESS2-1

What is the chemical symbol for Boron?

If we are given an element's atomic number, we automatically know the number of _______ the element has.

• neutrons

• atoms

• protons

• electrons

What is the chemical formula for water?

• H2O2

• O2

• HO

• H2O

Tags

NGSS.MS-PS1-1

What is the atomic number of hydrogen?

• 1

• 2

• 3

• 4

What is the most abundant gas in the Earth's atmosphere?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Argon

What family does Na (sodium) belong to?

• Halogens

• Alkali metals

• Noble gases

• Transition metals

Which layer of the Earth is the hottest?

Match the following spheres of the Earth with their correct definition:

• Portion of the Earth where life exists

• Biosphere

• Solid portion of the Earth

• Atmosphere

• Blanket of gasses that surround Earth

• Hydrosphere

• Comprised of all the water on Earth

• Geosphere

What isotope of carbon is used for radiometric dating?

Tags

NGSS.MS-ESS1-4