Technology Quiz 2

Boats are able to float because of their...

• mass

• material

• shape

• density

All three objects in the picture are made of the same amount of steel. What best explains why Object C floats and Objects A and B sink?

• Object C's shape maximizes its volume

• Object C contains more air

• Object C is longer than Object B but not as long as Object A

• Object C is taller than Objects A and B

The Titanic was a colossal boat that weighed 52,310 tons. It was made of iron and steel. The picture shows a cross-section of the Titanic. What aspect of the Titanic's design allowed the ship to float?

• The open spaces inside the ship

• The pumps at the bottom of the ship

• The smokestacks on the top of the ship

• The material holding up the sides of the ship

Where is the gasoline stored at a gas station?

• Underground

• Inside the gas dispensers

• Above the gas dispensers

• Inside the convenience store

Match the pictures with the strokes of a four stroke combustion engine.

• Intake

• 
• Compression

• 
• Exhaust

• 
• Power

• 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-3

Which of the following BEST explains why car engines compress gasoline before igniting it?

• To reduce the temperature of the gasoline

• To make the car louder
• To save money on fuel costs
• To improve combustion efficiency

Tags

NGSS.MS-PS3-4