Sediments

Sediments are particles of organic or inorganic matter that accumulate in a loose, ________ form.

• unconsolidate

• solid

• rigid

• compact

What have marine sediments been called due to their ability to provide a record of past conditions?

• The history of the ocean

• The memory of the ocean

• The future of the ocean

• The life of the ocean

What is used to classify particles?

• Size

• Mass

• Charge

• Spin

Which of the following is a type of sediment?

• Boulders

• Pebbles

• Sand

• All of the above

Fill in the blank: Different types of sediments are defined by their _______.

• size

• color

• location

• age

Which particles are transported more easily?

(a)  

• A) Larger particles

• B) Smaller particles
• C) Both equally

• D) None

Match the grain size with the corresponding sediment type:

• 2 mm

• Sand

• 1/16 mm

• Clay

• 1/256 mm

• Gravel

What are well-sorted sediments?

• Sediments that are uniform in size and shape

• Sediments that are mixed with various sizes and shapes

• Sediments that are only found in riverbeds

• Sediments that are composed of organic material

Which of the following is an example of well-sorted sediments?

• Gravel

• Sand

• Clay

• Silt

What are poorly-sorted sediments?​ ​ ​ (a)  

• Different Size
• Same Size
• Side ways
• stacked