Question 1

​Some fruits float in water because:

Accepted Answer

A)  ​they have air inside them. 
B)  ​they are mainly water. 
C)  ​they are small. 
D)  ​their density is greater than water. 
A)  ​they have air inside them. 
B)  ​they are mainly water. 
C)  ​they are small. 
D)  ​their density is greater than water.

Question 2

​The constant in Ms. Drescher's "looking at liquids" experiment is the ______________of each liquid.

Accepted Answer

The answer of ​The constant in Ms. Drescher's "looking at...

Question 3

​An object floats in water when it is supported by:

Accepted Answer

A)  ​a gravitational force. 
B)  ​an object that is more dense. 
C)  ​a buoyant force. 
D)  ​a normal force. 
A)  ​a gravitational force. 
B)  ​an object that is more dense. 
C)  ​a buoyant force. 
D)  ​a normal force.

Question 4

​To calculate the mass of a floating irregularly shaped object, students can calculate:

Accepted Answer

A)  ​the mass of the displaced water. 
B)  ​the size of the object. 
C)  ​the volume of the water below the object. 
D)  ​the size of the water below the object. 
A)  ​the mass of the displaced water. 
B)  ​the size of the object. 
C)  ​the volume of the water below the object. 
D)  ​the size of the water below the object.

Question 5

Emerging relevance reminds us that relevance emerges through:​

Accepted Answer

A)  ​teacher direction. 
B)  ​assessment. 
C)  ​teacher mediation. 
D)  ​evaluation. 
A)  ​teacher direction. 
B)  ​assessment. 
C)  ​teacher mediation. 
D)  ​evaluation.

Question 6

For a fair test of the buoyancy of the wooden blocks, they must all be the same __________.​

Accepted Answer

The answer of For a fair test of the buoyancy...

Question 7

​A hard-boiled egg sinks in fresh water but floats in salt water because:

Accepted Answer

A)  ​salt water has a greater buoyancy than fresh water. 
B)  ​the salt water repels the hard-boiled egg making it float. 
C)  ​the fresh water absorbs into the hard-boiled egg making it sink. 
D)  ​the salt water repels the egg, making it float, and the fresh water absorbs into the egg, making it sink. 
A)  ​salt water has a greater buoyancy than fresh water. 
B)  ​the salt water repels the hard-boiled egg making it float. 
C)  ​the fresh water absorbs into the hard-boiled egg making it sink. 
D)  ​the salt water repels the egg, making it float, and the fresh water absorbs into the egg, making it sink.

Question 8

​The factors that change in an experiment are called ______________.

Accepted Answer

The answer of ​The factors that change in an experiment...

Question 9

Describe how a teacher can deepen discourse in her/his classroom.

Accepted Answer

A teacher can deepen discourse in her/hi

Question 10

A scientific measuring cup is called a(n) _____________________________.​

Accepted Answer

The answer of A scientific measuring cup is called a(n)...

Question 11

​To calculate the volume of a sinking object, students can:

Accepted Answer

A)  ​measure the volume of the water in the container. 
B)  ​measure the volume of the water displaced by the object. 
C)  ​measure the mass of the water in the container. 
A)  ​measure the volume of the water in the container. 
B)  ​measure the volume of the water displaced by the object. 
C)  ​measure the mass of the water in the container.

Question 12

In sinking and floating, some materials can be sinkers and then changed to:​

Accepted Answer

A)  ​become more dense. 
B)  ​floaters. 
C)  ​have more volume. 
D)  ​have less volume. 
A)  ​become more dense. 
B)  ​floaters. 
C)  ​have more volume. 
D)  ​have less volume.

Question 13

A pumpkin floats in water but a grape sinks in water because:​

Accepted Answer

A)  ​a pumpkin weighs less. 
B)  ​a grape weighs more. 
C)  ​a pumpkin is less dense. 
D)  ​a grape is smaller. 
A)  ​a pumpkin weighs less. 
B)  ​a grape weighs more. 
C)  ​a pumpkin is less dense. 
D)  ​a grape is smaller.

Question 14

​Objects float in water when their density is __________ than the density of water.

Accepted Answer

The answer of ​Objects float in water when their density...

Question 15

Coke sinks in water while Diet Coke floats, because despite the equal sizes of the soda cans, there is a difference in ________.​

Accepted Answer

The answer of Coke sinks in water while Diet Coke...

Some fruits float in water because:

The constant in Ms. Drescher's "looking at liquids" experiment is the ______________of each liquid.

An object floats in water when it is supported by:

To calculate the mass of a floating irregularly shaped object, students can calculate:

Emerging relevance reminds us that relevance emerges through:

For a fair test of the buoyancy of the wooden blocks, they must all be the same __________.

A hard-boiled egg sinks in fresh water but floats in salt water because:

The factors that change in an experiment are called ______________.

Describe how a teacher can deepen discourse in her/his classroom.

A scientific measuring cup is called a(n) _____________________________.

To calculate the volume of a sinking object, students can:

In sinking and floating, some materials can be sinkers and then changed to:

A pumpkin floats in water but a grape sinks in water because:

Objects float in water when their density is __________ than the density of water.

Coke sinks in water while Diet Coke floats, because despite the equal sizes of the soda cans, there is a difference in ________.

Science Teaching and You: Locating Your Scientific Self

Teachers and Students As Science Learners

Engaging Students in Scientific and Engineering Practices

Scientific Explorations Inside and Outside the Classroom

Exploring Matter: Scientific Observations of Everyday Materials

Plants and Animals and Extended Investigations

Using Models and Engineering Design for Teaching and Learning Science

Beyond the Science Kit

Content and Curriculum: Science Concepts and Your Scientific Self

Surrounded by Science: Science Connections Across Disciplines

Creating the Science Experience in Your Classroom: Planning and Letting Go

Whats the Big Idea Matching Assessment to Instruction

Pulling It All Together

Filters

Exam 7: Physical Science Explorations: Density and Its Implications

​Some fruits float in water because:

​The constant in Ms. Drescher's "looking at liquids" experiment is the ______________of each liquid.

​An object floats in water when it is supported by:

​To calculate the mass of a floating irregularly shaped object, students can calculate:

Emerging relevance reminds us that relevance emerges through:​

For a fair test of the buoyancy of the wooden blocks, they must all be the same __________.​

​A hard-boiled egg sinks in fresh water but floats in salt water because:

​The factors that change in an experiment are called ______________.

Describe how a teacher can deepen discourse in her/his classroom.

A scientific measuring cup is called a(n) _____________________________.​

​To calculate the volume of a sinking object, students can:

In sinking and floating, some materials can be sinkers and then changed to:​

A pumpkin floats in water but a grape sinks in water because:​

​Objects float in water when their density is __________ than the density of water.

Coke sinks in water while Diet Coke floats, because despite the equal sizes of the soda cans, there is a difference in ________.​

Science Teaching and You: Locating Your Scientific Self

Teachers and Students As Science Learners

Engaging Students in Scientific and Engineering Practices

Scientific Explorations Inside and Outside the Classroom

Exploring Matter: Scientific Observations of Everyday Materials

Plants and Animals and Extended Investigations

Using Models and Engineering Design for Teaching and Learning Science

Beyond the Science Kit

Content and Curriculum: Science Concepts and Your Scientific Self

Surrounded by Science: Science Connections Across Disciplines

Creating the Science Experience in Your Classroom: Planning and Letting Go

Whats the Big Idea Matching Assessment to Instruction

Pulling It All Together

Filters

Some fruits float in water because:

The constant in Ms. Drescher's "looking at liquids" experiment is the ______________of each liquid.

An object floats in water when it is supported by:

To calculate the mass of a floating irregularly shaped object, students can calculate:

Emerging relevance reminds us that relevance emerges through:

For a fair test of the buoyancy of the wooden blocks, they must all be the same __________.

A hard-boiled egg sinks in fresh water but floats in salt water because:

The factors that change in an experiment are called ______________.

A scientific measuring cup is called a(n) _____________________________.

To calculate the volume of a sinking object, students can:

In sinking and floating, some materials can be sinkers and then changed to:

A pumpkin floats in water but a grape sinks in water because:

Objects float in water when their density is __________ than the density of water.

Coke sinks in water while Diet Coke floats, because despite the equal sizes of the soda cans, there is a difference in ________.