10.3

Which type of appliances transfer the most energy per second?

• Those that transfer energy into heat.

• Those that transfer energy into light.

• Those that transfer energy into sound.

• Those that transfer energy into movement.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-5

Which appliance transfers the most energy per second? 

• Clock

• Lamp

• Desktop Computer

• Iron

Tags

NGSS.HS-PS3-4

How much power is generated by Ashley (50 kg) running up a 6 m flight of stairs in 5 seconds?

• 60 W

• 62 W

• 600 W

• 1500 W

How much energy does this appliance transfer per second?

• 240 V

• 50 Hz

• 150 W

• N533

Tags

NGSS.HS-PS3-1

Which letter represents amplitude? (a)  

• A

• B

• C

• D

• E

Tags

NGSS.HS-PS4-1

What is the pH value of a neutral solution at 25°C?

• 7

• 10.3

• 0

• 14

• 3

• 10.3

• 7

• 1

• 10

• 4

• 10.3

• 7

Which of the following pH values indicates a basic solution?

• 10.3

• 3

• 7

• 0

If a solution has a pH of 10.3, what is the concentration of hydrogen ions in the solution?