| A | B |
|---|
| Which model of the universe has the Sun at the center? | Heliocentric |
| Copernicus developed the …… model of the universe | Heliocentric |
| The geocentric model of the universe has …. at the center? | the Earth |
| Who discovered four of Jupiters moons using a telescope? | Galileo |
| Luminouos objects give out…. | Light |
| What provided evidence for the heliocentric model of the universe? | obsering 4 moons orbiting Jupiter |
| Waves are ….. and……. at the boundaries between different materials | reflected & refracted |
| List the 2 parts of a refracting telescope | eye piece lense, objective lense |
| A reflecting telescope contains a primary and secondary… | mirror |
| In a reflecting telescope the primary mirror… | is curved |
| The number of waves passing a point each second is called… | frequency |
| Electromagnetic waves are a type of… wave | transverse |
| Sound waves are a type of … wave | longitudinal |
| True or False. Light is a type of electromagnetic wave | TRUE |
| What is the distance called between two crests or troughs of a wave? | wavelength |
| What is the maximum distance of a point of a wave from its rest position called. | amplitude |
| What two things do waves transfer? | energy & information |
