What is the difference in air pressure at the peak of a mountain versus the base of the mountain?

Air pressure is greater at the base of the mountain.

What is the difference in air pressure at the peak of a mountain versus the base of the mountain?

Air pressure is greater at the base of the mountain.

Definition and example of a fossil fuel.

Items made from organisms that lived long ago. Ex. coal

Contamination of the ocean or land is...

the greatest risk of from using an oil drill.

Chemical weathering...

is when rock is broken into smaller pieces, and the material that makes up the rock or soil also changes.

Physical weathering...

is when only the size of the rock changes.

Hurricanes can be harmful.

True, rain and storm surges can cause flooding. Strong winds can destroy homes and other buildings.

Can hurricanes be helpful?

Yes, hurricanes provide a lot of rain that keeps wells flowing and may remove non-native plant species, allowing native species to grow.

Complete the statement: 1.______________ breaks rock down into tiny particles (sediment). Over time, 2.__________________, along with particles of organic material, are formed. The top layers 3.____________ on the bottom layers, forming sedimentary rocks.

1. Weathering 2. many layers of particles 3. press

Cause: Erosion of land next to the ocean.

Effect: Waves erode the shoreline and carry grains of sand away. People can use sandbags to stop erosion along the coast.

Cause: Erosion of land on an inland farm.

Effect: Rain can wash away the topsoil, which is the soil with the most nutrients for plants. Farmers can slow erosion by planting trees around their fields. Their roots will help keep the soil in place.

Which answer makes a correct statement about physical changes?

Physical changes begin and end with the same matter.

Which investigation would provide evidence of a chemical change and why?

Combining two liquids that give off heat and gas would provide evidence of a chemical change because the particles react to make a new material with different properties.

Which investigation would provide evidence of a chemical change?

Put an antacid tablet in water, and when the antacid and water mix, observe the bubbles that form as a new substance is created.

Why does every animal in an ecosystem rely on producers?

producers start all food chains

NWEA Science Review Flashcards

Student preview

50 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is the process by which water vapor turns into liquid water?

Back

Condensation

2.

FLASHCARD QUESTION

Front

Which layer of the Earth's atmosphere is closest to the surface?

Back

Troposphere

3.

FLASHCARD QUESTION

Front

What is the process by which plants release water vapor into the air?

Back

Transpiration

4.

FLASHCARD QUESTION

Front

Which of the following is a renewable source of energy? Options: Coal, Wind, Nuclear, Natural gas

Back

Wind

5.

FLASHCARD QUESTION

Front

What is the process by which rocks are broken down into smaller pieces?

Back

Weathering

6.

FLASHCARD QUESTION

Front

What is the force that opposes the motion of objects sliding against each other?

Back

friction

7.

FLASHCARD QUESTION

Front

Which planet is known as the 'Red Planet'?

Back

Mars

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