Now you see it, now you don’t This is a product of the science department of Dartford Technology College.

Now you see it, now you don’t

This is a product of the science department of Dartford

Technology College

Question 1

• What do we call the increase in size of a signal?

• Amplitude

• Amplification

• Analogue

• Absorption

Question 2

• What do we call the maximum distance of particles in a wave from their normal positions?

• Amplification

• Analogue

• Amplitude

• Absorption

Question 3

• What do we call a signal sent in the form of a wave?

• Analogue

• Amplitude

• Amplification

• Absorption

Question 4

• The following make up what; radio waves, microwaves, Infra red, visible, ultra violet, x-ray and gamma radiation?

• Hospital detection systems

• Electromagnetic spectrum

• Electromagnetic series

• Electromagnetic system

Question 5

• What do we call the production and sending out of a wave?

• Absorption

• Emission

• Production

• Conduction

Question 6

• What do we call the centre or source of an earthquake?

• Quake line

• Quake middle

• Quake centre

• Epicentre

Question 7

• What do we call a substance that absorbs ultraviolet light and emits visible light?

• Phosphorescence

• Phototrophic

• Fluorescence

• Radiation

Question 8

• What do we call the number of oscillations of a particle in 1 second?

• Wavelength

• Frequency

• Microwave

• Radiation

Question 9

• What part of the electromagnetic spectrum has the highest frequency?

• Ultra violet

• X-ray

• Gamma rays

• Visible

Question 10

• Which part of the electromagnetic spectrum is associated with heat?

• Ultra violet

• Microwave

• Visible

• Infrared

Question 11

• What do we call the coloured part of the eye?

• Rose

• Pansy

• Iris

• Tulip

Question 12

• How do sound waves travel?

• Longitudinal

• Transverse

• Upright

• Downwards

Question 13

• This part of the electromagnetic spectrum is used in ovens and mobile phones?

• Ultra violet

• X-ray

• Gamma rays

• Microwave

Question 14

• What do we call the rebound of light from a mirrored surface?

• Refraction

• Reflection

• Retardation

• Resolution

Question 15

• What do we call the bending of light within a glass or perspex prism?

• Reflection

• Resolution

• Retardation

• Refraction

Question 16

• The type of wave that is produced by an Earthquake?

• Transverse wave

• Longitudinal wave

• Seismic wave

• Ocean wave

Question 17

• What do we call sound above 20,000 Hertz?

• Pitch sound

• Nano sound

• Ultrasound

• Maxi-sound

Question 18

• This part of the electromagnetic spectrum can give you skin cancer?

• Microwave

• Infrared

• Radio

• Ultra violet

Question 19

• What part of the electromagnetic spectrum is used in hospitals to see broken bones?

• Ultra violet

• X-ray

• Infrared

• Visible

Question 20

• What do we call light reflecting off the inside edge of a material rather than refracting outwards?

• Total internal reflection

• Total internal refraction

• Total external reflection

• Total external refraction

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