S3 EOY Revision 2

1. A ruler is used to measure the length of an object. The ruler is not drawn to scale. What is the length of the object?

• 0. 25mm

• 0. 40mm

• 0. 65mm

• 0. 90mm

1. The speed of a moving object increases from 2 m/s to 22 m/s in 4 seconds.

   What is the acceleration of the moving object?

• 1. 0.5 m/s²

• 1. 4.0 m/s²

• 1. 5.0 m/s²

• 1. 5.5 m/s²

1. A student investigates how fast his friends can run 30 m.
   What is the best piece of apparatus to use to measure this distance?

• 1. 30 cm ruler

• 1. 40 m measuring tape

• 1. metre ruler

• 1. spring balance

4. A runner checks the digital stopwatch at the start and end of his run. How long did he take to complete the race?

• 1. 8.11 min

• 1. 8 min 11 sec

• 1.  8.49 min

• 1. 8 min 49 sec

A stone is thrown into the air. The diagram shows the path of the stone through the air.

At which point does the stone has the maximum gravitational potential energy?

• A

• B

• C

• D

The diagram shows a beaker of water. After 30 minutes the temperature of the water has changed.

Which statement describes the change in water temperature?

• Temperature decreases because thermal energy is transferred into the water from the surroundings.

• Temperature decreases because thermal energy is transferred from the water into the surroundings.

• Temperature increases because thermal energy is transferred into the water from the surroundings.

• Temperature increases because thermal energy is transferred from the water into the surroundings.

8. An electric toaster has a power rating of 1200 W.
   How much energy is converted by the electric toaster in 60 s?

• 0. 20 J

• 600 J

• 0. 1200 J

• 0. 72000 J

8. The diagram shows a wave.

9. What is the amplitude of the wave?

• 0.5cm

• 1.0 cm

• 2.0 cm

• 6.0 cm

8. The diagram shows a wave.

9. What is the wavelength?

• 0.5cm

• 1.0 cm

• 2.0 cm

• 6.0 cm

Which type of electromagnetic wave is used in satellite communication?

• 1. infra-red waves

• 1. microwaves

• 1. radio waves

• 1. ultraviolet waves