Earth & Space Science Final 2

How many stars are in our solar system?

Many cities in the western US rely on snowpack to supply their reservoirs. What system is snowpack part of?

How can we protect Earth's resources? Match the method with the sphere it most impacts:

On an average week, Lara takes three 20-minute showers, uses the dishwasher two times, and brushes her teeth twice every day. Lara leaves the water running while she brushes her teeth. Mateo takes four 10-minute showers, washes his dishes by hand twice every day, and brushes his teeth twice every day, but he keeps the water off while brushing. During an average week, who uses more water?

You toss a ball straight up in the air. As the ball moves into the air, gravity is acting on the ball. In what direction is gravity pulling the ball?

What causes half of Earth to experience nighttime while the other half is experiencing daytime?

Ms. Thomas’s class has been observing the flagpole at school and how its shadow changes during the day. They created a diagram of what they observed, but left out the labels for the position of the Sun in the sky.

Based on the graph, where is most of Earth’s water located?

Based on the graph, where is the least amount of freshwater found?