Weather
Scientific Method
Solar System
Plate Tectonics
Galaxies and Stars
100

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.

100

What is a hypothesis?

A statement that can be tested through scientific investigation.

100

What color are the hottest stars?

Blue

100

What layer of the Earth contain tectonic plates?

The lithosphere

100

Where are stars formed?

Nebula

200

What is a negative impact of urbanization?

Flooding due to less ground to soak water

200

Why is it important for scientific investigations to be replicable? 

To make sure data is accurate. 

200

What unit is used to measure outside the solar system?

A light year

200

What kind of rock is formed when magma reaches the top of the mantle of Earth?

Igneous

200

What kind of galaxy has no structure?

Irregular

300

What two phases of the water cycle produce hurricane formation?

Evaporation and condensation.

300

How are scientific theories different than random theories? 

They must be supported by evidence.

300

What keeps planets in orbit around the Sun?

Gravity

300

How are valleys formed?

Weathering and erosion of rivers and glaciers.

300

What unit of measurement is used to determine the temperature of a star?

Kelvin

400

What does the Gulfstream do?

It brings warm water and heats the overlying air.

400

What is one way we test a hypothesis?

By observations

400

What makes tides vary on Earth?

The location of the Moon

400

What objects show in Earth's layers proving that Earth has changed over time?

Plant, animal, and marine fossils

400

Stars that have a shorter lifespan are what color?

Blue

500

What form of heat transfer helps create a sea breeze?

Conduction and convection

500

What are two types of variables?

Independent and dependent

500

This galaxy is the closest to the Milky Way and is also spiral.

Andromeda

500

Why would a land mass be covered with volcanoes?

It is a border between two tectonic plates.

500

How far from Earth is Proxima Centauri?

4.2 light years