Unit 3 Quiz: What makes water so special?

Last updated almost 2 years ago

25 questions

Note from the author:

Instructions

Required

1

Required

1

Required

4

Required

1

Required

4

Required

6

Required

1

Required

1

Required

1

Required

1

Required

1

Required

1

Required

1

Required

1

Required

1

Required

1

Required

1

Required

1

Required

1

Required

1

Required

1

Required

4

Required

1

Required

3

Required

1

Library

Unit 3 Quiz: What makes water so special?

Last updated almost 2 years ago

25 questions

Note from the author:

Using the knowledge you have gained throughout the unit, and your notes, complete the test to the best of your ability.

Instructions

Using the knowledge you have gained throughout the unit, and your notes, complete the test to the best of your ability.

Required

1

Required

1

Required

4

Click on show your work and complete the following four steps:
1. Write the chemical formula for water
2. Draw a water molecule
3. Write the charges for all atoms (hint: there are three atoms)
4. Draw arrows showing the direction the charge is being pulled from and where it is being pulled to

Required

1

Scientists refer to water as the universal solvent, why is water good at dissolving things?
No complete sentence needed.

Required

4

Required

6

Click show your work
1. Draw water atoms to show how water and salt interact.
Use 4 water molecules for Na and 6 water molecules for Cl. Be sure that the atoms are oriented correctly.
2. Add charges to all molecules in the diagram

Required

1

How is a MAJORITY of oxygen produced in the ocean?

Required

1

Required

1

Required

1

Required

1

Required

1

Required

1

Required

1

Required

1

Required

1

Required

1

What has happened to carbon dioxide levels in the atmosphere since the 1850's?

Required

1

Required

1

Required

1

Required

1

Name one impact of ocean acidification on marine life.

Required

4

Required

1

Required

3

Explain how ocean acidification impacts the ability of marine organisms to build shells and skeletons.

Required

1

Using the knowledge you have gained throughout the unit, and your notes, complete the test to the best of your ability.

Using the knowledge you have gained throughout the unit, and your notes, complete the test to the best of your ability.

What does the term cohesion mean?

The ability of people to push everyone away and isolate themselves

The ability of two molecules of the same substance to stick to each other

The ability of Ms. Schutt to have a favorite student

The ability of water to stick to other substances

The ability of water to stick to other substances is called

Adhesion

High boiling point

Surface Tension

Cohesion

Click on show your work and complete the following four steps:
1. Write the chemical formula for water
2. Draw a water molecule
3. Write the charges for all atoms (hint: there are three atoms)
4. Draw arrows showing the direction the charge is being pulled from and where it is being pulled to

Scientists refer to water as the universal solvent, why is water good at dissolving things?
No complete sentence needed.

Which of the following are properties of water? Select all that apply.

Low density

Good solvent

High boiling point

Low freezing point

Click show your work
1. Draw water atoms to show how water and salt interact.
Use 4 water molecules for Na and 6 water molecules for Cl. Be sure that the atoms are oriented correctly.
2. Add charges to all molecules in the diagram

How is a MAJORITY of oxygen produced in the ocean?

What is one way that marine organisms get oxygen from the water?

Mouth

Gills

Prey

They don't! They don't need oxygen!

What is pH a measure of?

hydrogen-ion concentration

solute concentration

ion concentration

density

On the pH scale what numbers are acids?

7

7-14

0-7

Pure water has a pH of 7.

True

False

On the pH scale what numbers are bases?

0-7

7

7-14

Which is the upward force on an swimmer that balances the downward force of gravity and keeps the swimmer from sinking?

density 

buoyant force

atmospheric pressure

pascal

Steel is almost eight times more dense than water. A steel ship can float in water instead of sink because of its

density

mass

shape

weight

A submarine can travel both on the surface of the water and underwater because it can change its

gravitational force

interior presssure

density

volume

Freshwater has a higher density than saltwater.

True

False

What has happened to carbon dioxide levels in the atmosphere since the 1850's?

What is ocean acidification?

A process where the ocean becomes polluted

A process where the ocean becomes more acidic

A process where the pH of the ocean fluctuates

A process where the ocean becomes less acidic

Which gas is primarily responsible for ocean acidification?

Oxygen

Nitrogen

Methane

Carbon dioxide

What is the main source of carbon dioxide contributing to ocean acidification?

Deforestation

Burning of fossil fuels

Industrial factories

Automobile emissions

Name one impact of ocean acidification on marine life.

Which of the following are potential consequences of ocean acidification? Select ALL that apply.

Increased fish populations

Decreased dissolved oxygen levels

Reduced coral growth

Loss of biodiversity

Which organism is particularly vulnerable to ocean acidification?

Seaweed

Jellyfish

Coral

Krill

Explain how ocean acidification impacts the ability of marine organisms to build shells and skeletons.

What pH value is considered acidic for the ocean?

pH 7

pH 9

pH 11

pH 5

What does the term cohesion mean?

The ability of people to push everyone away and isolate themselves

The ability of two molecules of the same substance to stick to each other

The ability of Ms. Schutt to have a favorite student

The ability of water to stick to other substances

The ability of water to stick to other substances is called

Adhesion

High boiling point

Surface Tension

Cohesion

Which of the following are properties of water? Select all that apply.

Low density

Good solvent

High boiling point

Low freezing point

What is one way that marine organisms get oxygen from the water?

Mouth

Gills

Prey

They don't! They don't need oxygen!

What is pH a measure of?

hydrogen-ion concentration

solute concentration

ion concentration

density

On the pH scale what numbers are acids?

7

7-14

0-7

Pure water has a pH of 7.

True

False

On the pH scale what numbers are bases?

0-7

7

7-14

Which is the upward force on an swimmer that balances the downward force of gravity and keeps the swimmer from sinking?

density 

buoyant force

atmospheric pressure

pascal

Steel is almost eight times more dense than water. A steel ship can float in water instead of sink because of its

density

mass

shape

weight

A submarine can travel both on the surface of the water and underwater because it can change its

gravitational force

interior presssure

density

volume

Freshwater has a higher density than saltwater.

True

False

What is ocean acidification?

A process where the ocean becomes polluted

A process where the ocean becomes more acidic

A process where the pH of the ocean fluctuates

A process where the ocean becomes less acidic

Which gas is primarily responsible for ocean acidification?

Oxygen

Nitrogen

Methane

Carbon dioxide

What is the main source of carbon dioxide contributing to ocean acidification?

Deforestation

Burning of fossil fuels

Industrial factories

Automobile emissions

Which of the following are potential consequences of ocean acidification? Select ALL that apply.

Increased fish populations

Decreased dissolved oxygen levels

Reduced coral growth

Loss of biodiversity

Which organism is particularly vulnerable to ocean acidification?

Seaweed

Jellyfish

Coral

Krill

What pH value is considered acidic for the ocean?

pH 7

pH 9

pH 11

pH 5

Unit 3 Quiz: What makes water so special?

Unit 3 Quiz: What makes water so special?

Click on show your work and complete the following four steps:1. Write the chemical formula for water2. Draw a water molecule3. Write the charges for all atoms (hint: there are three atoms)4. Draw arrows showing the direction the charge is being pulled from and where it is being pulled to

Scientists refer to water as the universal solvent, why is water good at dissolving things? No complete sentence needed.

Click show your work1. Draw water atoms to show how water and salt interact. Use 4 water molecules for Na and 6 water molecules for Cl. Be sure that the atoms are oriented correctly.2. Add charges to all molecules in the diagram

How is a MAJORITY of oxygen produced in the ocean?

What has happened to carbon dioxide levels in the atmosphere since the 1850's?

Name one impact of ocean acidification on marine life.

Explain how ocean acidification impacts the ability of marine organisms to build shells and skeletons.

What does the term cohesion mean?

The ability of water to stick to other substances is called

Click on show your work and complete the following four steps:1. Write the chemical formula for water2. Draw a water molecule3. Write the charges for all atoms (hint: there are three atoms)4. Draw arrows showing the direction the charge is being pulled from and where it is being pulled to

Scientists refer to water as the universal solvent, why is water good at dissolving things? No complete sentence needed.

Which of the following are properties of water? Select all that apply.

Click show your work1. Draw water atoms to show how water and salt interact. Use 4 water molecules for Na and 6 water molecules for Cl. Be sure that the atoms are oriented correctly.2. Add charges to all molecules in the diagram

How is a MAJORITY of oxygen produced in the ocean?

What is one way that marine organisms get oxygen from the water?

What is pH a measure of?

On the pH scale what numbers are acids?

Pure water has a pH of 7.

On the pH scale what numbers are bases?

Which is the upward force on an swimmer that balances the downward force of gravity and keeps the swimmer from sinking?

Steel is almost eight times more dense than water. A steel ship can float in water instead of sink because of its

A submarine can travel both on the surface of the water and underwater because it can change its

Freshwater has a higher density than saltwater.

What has happened to carbon dioxide levels in the atmosphere since the 1850's?

What is ocean acidification?

Which gas is primarily responsible for ocean acidification?

What is the main source of carbon dioxide contributing to ocean acidification?

Name one impact of ocean acidification on marine life.

Which of the following are potential consequences of ocean acidification? Select ALL that apply.

Which organism is particularly vulnerable to ocean acidification?

Explain how ocean acidification impacts the ability of marine organisms to build shells and skeletons.

What pH value is considered acidic for the ocean?

Click on show your work and complete the following four steps:
1. Write the chemical formula for water
2. Draw a water molecule
3. Write the charges for all atoms (hint: there are three atoms)
4. Draw arrows showing the direction the charge is being pulled from and where it is being pulled to

Scientists refer to water as the universal solvent, why is water good at dissolving things?
No complete sentence needed.

Click show your work
1. Draw water atoms to show how water and salt interact.
Use 4 water molecules for Na and 6 water molecules for Cl. Be sure that the atoms are oriented correctly.
2. Add charges to all molecules in the diagram

Click on show your work and complete the following four steps:
1. Write the chemical formula for water
2. Draw a water molecule
3. Write the charges for all atoms (hint: there are three atoms)
4. Draw arrows showing the direction the charge is being pulled from and where it is being pulled to

Scientists refer to water as the universal solvent, why is water good at dissolving things?
No complete sentence needed.

Click show your work
1. Draw water atoms to show how water and salt interact.
Use 4 water molecules for Na and 6 water molecules for Cl. Be sure that the atoms are oriented correctly.
2. Add charges to all molecules in the diagram