Now you see it now you dont This

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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