100
What causes day and night on Earth?
(Rotation)
What type of rock forms from cooled lava or magma?
Igneous
What tool measures air pressure?
Barometer
What is the outermost solid layer of the Earth called?
Crust or Lithosphere
What galaxy do we live in?
Milky Way
How long does it take for the Earth to revolve around the Sun?
365.25 days
What is the difference between absolute age and relative age?
Absolute = exact; Relative = compared to others
What kind of weather is associated with high pressure?
Clear and dry
What is magma called when it reaches Earth's surface?
Lava
What is a light year used to measure?
Distance in space
What is the difference between a solstice and an equinox?
Solstice = longest/shortest day; Equinox = equal day/night)
What is an index fossil used for?
Dating the relative age of rock layers
What is the difference between weather and climate?
Weather = daily, Climate = long-term
What type of plate boundary causes earthquakes?
Transform boundary
Which planets are gas giants?
Jupiter, Saturn, Uranus, Neptune
What causes the phases of the Moon?
The Moon's position in relation to the Earth and Sun
Name the three types of rocks in the rock cycle?
Igneous, Sedimentary, Metamorphic
What happens when a warm front meets a cold front?
Clouds, precipitation, then warmer weather
What is the name of the supercontinent that once existed?
Pangea
What force keeps the planets in orbit around the Sun?
Gravity
Draw and label the alignment for a lunar eclipse.
Sun – Earth – Moon
What era is known for the age of dinosaurs?
Mesozoic
What are isobars and what do they show?
Lines of equal pressure on a weather map
Explain how convection currents move tectonic plates.
Hot mantle rises, cool mantle sinks, causing movement
What is the difference between an astronomical unit and a light year?
AU = Earth–Sun distance; light year = distance light travels in a year