Gravity and Core of Earth

Force responsible for pulling the densest materials to the core of the Earth.

• Radioactivity

• Magnetism

• Gravity

• Elon Musk

Tags

NGSS.MS-PS2-4

The liquid layer of the Earth's core. Very dense. Made of heavy metals.

• Outer Core

• Inner Core

An extremely dense sphere of solid iron and nickel at the center of Earth.

• Outer Core

• Inner Core

In a sphere (like a planet), where does gravity pull all of the densest material?

• to the top of the sphere

• to the bottom of the sphere

• to the middle of the sphere

• to the outside of the sphere

A force of attraction existing between any 2 masses.

• Atmosphere

• Astronomy

• Gravity

• Satellite

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

The force of attraction existing between any 2 objects that depends on the mass of each object and the distance between them.

• solar radiation

• magnetic field

• Gravity

Tags

NGSS.MS-PS2-4

A force of attraction existing between any 2 masses and the distance between them.

• Atmosphere

• Astronomy

• Gravity

• Satellite

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

The stars and all the other matter in a galaxy are held together by which of the following?

• Dark matter

• Inertia

• Gravity

• Magnetism

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which material would most likely be found within the Earths core? (the number is the density of that material)

• clay 1.8 g/ml

• aluminum 2.4 g/ml

• nickel 4.6 g/ml

• silicon 2.3 g/ml

Tags

NGSS.MS-PS1-1

Choose the two reasons why the inside of the Earth is still very hot

• Leftover heat from gravity collisions that formed Earth

• Incoming solar radiation from the Sun

• Radioactive decay of unstable elements in Earth's core

• Pressure inside Earth compressing the solid materials inside Earth

Tags

NGSS.MS-PS1-4