Discovering Planet Earth Lesson 1 Quiz

The innermost layer of Earth made of solid metal

• inner core
• outer core
• mantle
• crust

The outermost layer of Earth made of thin solid rock

• inner core
• outer core
• mantle
• crust

The semi-solid layer of Earth made from molten rock (magma)

• inner core
• outer core
• mantle
• crust

The liquid layer of Earth's interior made of liquid metal- mostly iron and nickel

• inner core
• outer core
• mantle
• crust

Which layer gives Earth its magnetic field?

• inner core
• outer core
• mantle
• crust

How do scientists know what the Earth is made from?

• Direct evidence from water samples, and indirect evidence from hurricanes
• Direct evidence from metal core samples, and indirect evidence from ocean waves
• Direct evidence from volcanoes and rock samples, and indirect evidence from seismic waves (earthquakes)

All matter is made from tiny particles called ________

• utopioids
• rocks
• atoms

T/F All atoms and molecules vibrate and move based on how much thermal energy they have

• True
• False
• Only true when the weather is cold

A measure of how much mass there is in a volume of a substance

• Atomic Weight
• Density
• Temperature

When molecules speed up their temperature _____1____ and their density ____2______.

• 1- increases; 2- increases
• 1- increases; 2- decreases
• 1- decreases; 2- decreases