Density (earth Science)

What two types of measurements make up DENSITY? 

• Mass and Volume
• Temperature and Mass
• Grams and Centimeters
• Volume and Weight

Look at this image.  Which object has the LOWEST density in water? How? 

• The Ping Pong Ball because it floats to the top 
• The bolt because it has sunk to the bottom
• The soda cap because it is not just full of air like the Ping Pong ball

Why do the liquids form different layers?

• They have different densities.  
• They have different masses.  
• They have different volumes.  
• They are different temperatures.  

What units can be used to express density?

• g/mL
• grams
• millimeters
• milliliters

An object should float in a liquid if it is 

• Denser than the liquid 
• Less dense than the liquid
• Lighter than metal
•  Shaped like a ball 

Why is a hot air balloon able to rise into the sky?

• The hot air is less dense then the atmosphere, so it rises

• The hot air is more dense then the atmosphere, so it rises

• The hot air has the same density as the atmosphere, so it rises

Why does oil float on top of the water in an oil spill?

• Oil has the same density of water

• Oil is less dense than water

• Oil is more dense than water

The most dense layer of Earth

• Crust

• Mantle

• Outer Core

• Inner Core

When a material heats up the atoms inside it move around more and spread out. When the atoms are spread out the material is _________ dense.

• More

• Less

Tags

NGSS.MS-PS1-4

When a material cools down the atoms inside it slow down and move closer together. When the atoms are close together the material is _________ dense.

• more

• less

Tags

NGSS.MS-PS1-4