EOY Science 2

Wind, water, and ice are often involved in weathering and erosion, which can cause changes on Earth. However, weathering and erosion are different processes. Which of the following statements best describes how these two processes differ?

• A. Weathering is a much quicker process than erosion.

• B. Weathering breaks rocks apart, while erosion moves rocks or sediment from place to place.

• C. Weathering moves rocks and sediment from place to place, while erosion breaks rocks apart.

• D. Weathering moves rocks without breaking them, while erosion breaks rocks apart before moving them.

Earth has a great variety of surface features that are caused by weathering and erosion. Which of the following describes a change due to weathering?

• Ocean waves washing sand off the beach

• Rivers carrying soil and rocks through valleys

• Wind blowing sand and pebbles off of a sand dune

• Tree roots breaking rocks into smaller pieces of rock

In which part of the flower does the bee pick up pollen?

• Part A

• Part B

• Part C

• Part D

A model of the water cycle was made using an aquarium with a glass cover, a container of ice cubes, water, and a lamp. Which part of the water cycle causes the water droplets to form on the glass?

• Condensation

• Evaporation

• Precipitation

• Runoff

Fada watched her father boil some water to make tea and realized that this was an example of a physical change. Which property of water does NOT change when it boils?

• A. Mass

• B. Shape

• C. Volume

• D. Temperature

Kyle and Jan are comparing two samples of matter. They make a table of the properties of each sample. Which property provides the best evidence that both samples are solids rather than liquids?

• Color

• Mass

• Shape

• Volume

Bar magnets have a north pole (N) and a south pole (S). Latrisha places a bar magnet on three small straws so that it can roll. Her setup is shown below. Placing which of the following objects at point X will cause the bar magnet to move away from point X?

• An iron nail

• An aluminum can

• The north end of another bar magnet

• The south end of another bar magnet

Elizabeth is trying to move a heavy box. She applies a force, but the box does not move. What opposing force must she overcome to get the box to start moving?

• The force of friction

• The downward force of gravity

• The push from the air

• The upward push from the ground

Most Sabal palms, like the one shown below, survive Florida’s frequent hurricanes. Which of the characteristics of Sabal palms listed below is most likely the reason for their survival rate?

• 10 to 25 meter height

• Roots 4 to 6 meters deep

• Leaves up to 3 meters long

• Fruit about 8 millimeters wide

The picture below shows what some well-known star patterns in the night sky would look like at 10 pm. Which statement is true about how the star patterns would look at 4 am?

• A. They will form different pictures.

• B. They will be in the same position in the sky.

• C. They will be in a different position in the sky.

• D. They will no longer be visible on a clear night.