Why does the eastern US have higher humidity that the western side of the US?
The air is warmer over the Atlantic than over the Pacific.
What is a hypothesis?
A statement that can be tested through scientific investigation.
What color are the hottest stars?
Blue
What layer of the Earth contain tectonic plates?
The lithosphere
Where are stars formed?
Nebula
What is a negative impact of urbanization?
Flooding due to less ground to soak water
Why is it important for scientific investigations to be replicable?
To make sure data is accurate.
What unit is used to measure outside the solar system?
A light year
What kind of rock is formed when magma reaches the top of the mantle of Earth?
Igneous
What kind of galaxy has no structure?
Irregular
What two phases of the water cycle produce hurricane formation?
Evaporation and condensation.
How are scientific theories different than random theories?
They must be supported by evidence.
What keeps planets in orbit around the Sun?
Gravity
How are valleys formed?
Weathering and erosion of rivers and glaciers.
What unit of measurement is used to determine the temperature of a star?
Kelvin
What does the Gulfstream do?
It brings warm water and heats the overlying air.
What is one way we test a hypothesis?
By observations
What makes tides vary on Earth?
The location of the Moon
What objects show in Earth's layers proving that Earth has changed over time?
Plant, animal, and marine fossils
Stars that have a shorter lifespan are what color?
Blue
What form of heat transfer helps create a sea breeze?
Conduction and convection
What are two types of variables?
Independent and dependent
This galaxy is the closest to the Milky Way and is also spiral.
Andromeda
Why would a land mass be covered with volcanoes?
It is a border between two tectonic plates.
How far from Earth is Proxima Centauri?
4.2 light years