spherical earth

Which two objects exert the greatest force on each other due to gravity?

• A
• B
• C
• D

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Which of the following most closely matches the shape of Earth?

• a ball
• a bowl
• a doughnut
• a Frisbee

What Earth system is water in a pond part of?

• atmosphere
• biosphere
• geosphere
• hydrosphere

Tags

NGSS.MS-ESS2-4

Plants absorbing nutrients from the soil is an example of an interaction between which Earth systems?

• atmosphere and biosphere
• biosphere and geosphere
• geosphere and hydrosphere
• hydrosphere and biosphere

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

The formation of Earth and its shape are due mostly to what force?

• density
• gravity
• magnetism
• temperature

Which of the following could be a unit used to measure density?

• m/s
• km/h
• g/cm³
• m/kg

What is the correct order (starting from the surface) of Earth's layers?

• crust, outer core, inner core, mantle
• mantle, outer core, inner core, crust
• crust, mantle, outer core, inner core
• outer core, inner core, crust, mantle

Earth's inner core is...

• a dense ball of solid iron and nickel.
• a layer of molten iron and nickel.
• a layer of hot rock.
• a layer of rock that forms Earth's outer skin.

Which layer of Earth has the GREATEST density?

• crust
• mantle
• outer core
• inner core

Heat transfer within a fluid takes place by...

• convection currents
• radiation
• conduction
• density

Tags

NGSS.MS-PS1-4