Y9 physics revision

GRAVITATIONAL POTENTIAL ENERGY DEPENDS ON

• MASS AND VELOCITY
• MASS AND WEIGHT
• WEIGHT AND HEIGHT
• HEIGHT AND DISTANCE

WHICH OF THE FOLLOWING IS NOT AN EXAMPLE OF POTENTIAL ENERGY?

• A BALL TRAVELING AT 10 M/S
• A COMPRESSED SPRING
• WATER BEING STORED AT A WATER DAM
• A STRETCHED RUBBER BAND

Tags

NGSS.MS-PS3-2

YOUR BODY OBTAINS ENERGY FROM THE FOOD YOU EAT. WHAT IS THE FORM OF ENERGY IN FOOD?

• KINETIC
• ELASTIC
• GRAVITATIONAL
• CHEMICAL

Tags

NGSS.MS-LS1-7

WHICH ENERGY TRANSFORMATION OCCURS WHEN A TELEVISION SPEAKER PRODUCES MUSIC?

• ELECTRICAL TO SOUND
  
• ELASTIC TO SOUND
• THERMAL TO SOUND
• SOUND TO ELECTRICAL

WHICH OF THESE DESCRIBES THE LAW OF CONSERVATION OF ENERGY?

• NO MACHINE IS 100% EFFICIENT
• ENERGY IS NEITHER CREATED OR DESTROYED
• THE ENERGY RESOURCES OF EARTH ARE LIMITED
• THE ENERGY OF A SYSTEM IS ALWAYS DECREASING

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

AS A ROLLER COASTER MOVES DOWN A HILL, POTENTIAL ENERGY IS CONVERTED INTO KINETIC ENERGY, THERMAL ENERGY, AND SOUND ENERGY. WHAT IS TRUE ABOUT THE TOTAL ENERGY OF THIS SYSTEM?

• ENERGY IS GAINED (CREATED) AS THE ROLLER COASTER MOVES
• ENERGY IS LOST (DESTROYED) AS THE ROLLER COASTER MOVES
• THE TOTAL ENERGY REMAINS THE SAME AS THE ROLLER COASTER MOVES
• THE TOTAL ENERGY CONSTANTLY CHANGES AS THE ROLLER COASTER MOVES

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

____________ is the ability to cause change. 

• Energy 
• Force 
• Friction
• Motion

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Energy can be _____________ or changed from one type to another.

• destroyed
• transferred
• created
• ignored

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

• 7 mL
• 7 g/cm³
• 28 g/cm³
• 1/7 g/cm³

Which liquid is the least dense?

• oil
• water
• syrup 
• plastic bottle