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

2. Question 1 What do we call the increase in size of a signal? Amplitude Amplification Analogue Absorption

3. Question 2 What do we call the maximum distance of particles in a wave from their normal positions? Amplification Analogue Amplitude Absorption

4. Question 3 What do we call a signal sent in the form of a wave? Analogue Amplitude Amplification Absorption

5. 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

6. Question 5 What do we call the production and sending out of a wave? Absorption Emission Production Conduction

7. Question 6 What do we call the centre or source of an earthquake? Quake line Quake middle Quake centre Epicentre

8. Question 7 What do we call a substance that absorbs ultraviolet light and emits visible light? Phosphorescence Phototrophic Fluorescence Radiation

9. Question 8 What do we call the number of oscillations of a particle in 1 second? Wavelength Frequency Microwave Radiation

10. Question 9 What part of the electromagnetic spectrum has the highest frequency? Ultra violet X-ray Gamma rays Visible

11. Question 10 Which part of the electromagnetic spectrum is associated with heat? Ultra violet Microwave Visible Infrared

12. Question 11 What do we call the coloured part of the eye? Rose Pansy Iris Tulip

13. Question 12 How do sound waves travel? Longitudinal Transverse Upright Downwards

14. Question 13 This part of the electromagnetic spectrum is used in ovens and mobile phones? Ultra violet X-ray Gamma rays Microwave

15. Question 14 What do we call the rebound of light from a mirrored surface? Refraction Reflection Retardation Resolution

16. Question 15 What do we call the bending of light within a glass or perspex prism? Reflection Resolution Retardation Refraction

17. Question 16 The type of wave that is produced by an Earthquake? Transverse wave Longitudinal wave Seismic wave Ocean wave

18. Question 17 What do we call sound above 20,000 Hertz? Pitch sound Nano sound Ultrasound Maxi-sound

19. Question 18 This part of the electromagnetic spectrum can give you skin cancer? Microwave Infrared Radio Ultra violet

20. Question 19 What part of the electromagnetic spectrum is used in hospitals to see broken bones? Ultra violet X-ray Infrared Visible

21. 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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