What force keeps planets orbiting the Sun?
Gravity
What instrument measures air pressure?
Barometer
What process breaks rocks into smaller pieces?
Weathering
What fossils are used to determine the relative age of rock layers?
Index Fossils
If New York experiences increasing daylight hours, which season is approaching?
Summer
What is the closest star to Earth?
The Sun
The lowest layer of the Earth's atmosphere, where almost all of our weather occurs.
The troposphere
What process moves sediments from one location to another?
Erosion
Which eon do we currently live in?
Phanerozoic
What is the latitude of the Equator?
0*
What causes the phases of the Moon?
The Moon's position relative to Earth and the Sun
What front forms when a cold air mass overtakes a warm air mass?
Cold Front
What agent of erosion curved many U-shaped valleys?
Glaciers
What principle states that younger rock layers are found above older layers?
A station records a temperature of 20*C. What is this temperature in Fahrenheit
68*F
What type of galaxy is the Milky Way?
What causes wind?
Differences in air pressure
What is the most common agent of erosion in New York State?
Running Water
What major event led to the extinction of the dinosaurs?
Asteroid impact
Which layer of Earth composed mostly of iron and nickel and is liquid?
Outer Core
Why do stars appear to move across the sky?
Earth's rotation
Why are costal areas often cooler in summer than inland areas?
Water heats and cools more slowly than land
What process forms deltas at the mouths of rivers?
What is radioactive dating used to determine?
Absolute Age
Explain why earthquakes are common near plate boundaries.
Tectonic plates interact, causing stress that is released as earthquakes.