click below
click below
Normal Size Small Size show me how
the earth sun
chapter 37
Question | Answer |
---|---|
gravity is | a force that pulls objects downwards |
the moon is | a satellite of the earth |
the moon goes around the earth every | 27.3 days |
the side of the earth facing the sun has | day |
the side of the earth turned away from the sun has | night |
the earth is tilted | at 23.5 degrees |
the seasons are caused | due to the angle of the earth |
in June the northern hemisphere is | tilted towards the sun so it is summer |
in June the southern hemisphere is | tilted away from the sun so it is winter |
are there seasons at the equator | no as it always received the same amount of sunlight |
longest day of the year in ireland | June 21 |
shortest day of year in ireland | December 21 |
the moon reflects light from | the sun |
the moon orbits the earth every 27.3 days and also rotates on its axis therefore | the same side of the moon is always facing the earth |
waxing of the moon means it is | getting bigger |
a full moon occurs on | day 14 of the lunar cycle |
a waning moon means | the moon is getting smaller |
a new lunar cycle begins every | 27 days |
a lunar eclipse occurs when | the earth comes between the sun and the moon |
a lunar eclipse occurs when | the moon comes between the sun and the earth |
benefits of space exploration include | better solar panels and water purification systems |
hazards of space exploration include | explosion, burning up and space debris |