Grade 9 Space Review Flashcards
(31 cards)
Name of Northern Lights
Aurora Borealis
Cool Spots on the Sun
Sun Spots
Once a meteor hits the Earth, what is it called?
Meteorite
Reaction that takes place on the surface of all stars that creates heat and light?
Nuclear Fusion
What are the names of the two main gases on stars?
Hydrogen and Helium
What colour are cool *(lower temperature) stars?
Red
Explosion at the end of a stars life?
Super Nova
When the Earth spins on its axis to give us day and night. What is the motion called?
Rotation
A group of stars that form a pattern?
Constellation
Stars that are directly overhead and never set.
Circumpolar
What do you call the longest day of the year that happens on June 21st when the Earth is tilted to receive the most sun light?
Summer Solstice
When the Earth, Moon and Sun line up and and the moon casts a shadow on the Earth.
Lunar Eclipse
When the Earth travels around the Sun in an orbit to create the season. What is this motion called?
Revolution
What are the rocky objects that orbit the sun between Mars and Jupiter?
Asteroids
Name 2 effects space has on the human body
Fluid shift in ear (balance), Cosmic radiation, Loss of blood, spine elongation, smaller heart, loss of bone mass, muscle atrophy from lack of use.
What is the force that acts on all objects?
Gravity
What two factors does gravity depend on?
Mass and Distance
What galaxy do we belong to?
Milky Way
What is another name for the North Star?
Polaris
What constellation is Polaris apart of?
Tip of Little Dipper
What do you call the phase of the moon that is more than half lit?
Gibbous
What do you call the phase of the moon when you can’t see it?
New Moon
What is the beginning of a stars life called with swirling dust and gas?
Nebula
What is the shape of our Galaxy?
Spiral
