Density & Buoyancy Gr 7/8 Quiz

What are the states of matter?

• solid, liquid, and juice
• solid and liquid
• solid and gas
• solid, liquid, and gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which box has a higher density?  

• Box A
• Box B
• cannot be determined
• they are the same

If an object sinks in a fluid, _____.

• the density of the fluid is greater than the density of the object
• the density of the fluid is less than the density of the object
• the density of the fluid is equal to the density of the object
• density has nothing to do with whether an object sinks or floats, only which state of matter the object is

The upward force exerted by a fluid is called the...

• buoyancy force

• density force

• fluidity force

• normal force

Looking at the image... can oak float in water? 

• Yes
• No

Tags

NGSS.MS-PS1-2

True or False: Volume is the amount of matter in a substance. Mass is the amount of space a substance takes up. 

• True
• False 

Tags

NGSS.MS-PS1-5

Which will result in positive buoyancy?

• When the buoyant force is greater than the force of gravity
• When the buoyant force is equal to the force of gravity
• When the buoyant force is less than the force of gravity

When an object neither sinks nor rises, we say it has...

• Positive buoyancy

• Neutral buoyancy

• Negative buoyancy

An empty water bottle floating on the water is an example of....

• positive buoyancy
• negative buoyoncy

Water is the only fluid that can provide buoyancy.

• true
• false