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Sample Question of the Day

Dropdown📘 MS-LS1-7🧠 DOK 3

Question:

In the process of cellular respiration, glucose and oxygen undergo chemical reactions to form new molecules. Select the correct sequence of events that describe how food is rearranged through these reactions to support the growth and release energy in an organism.

Answer Choices:

A) Glucose and oxygen react to form carbon dioxide, water, and ATP.
B) Glucose is broken down into oxygen, which combines with carbon dioxide to form ATP.
C) Oxygen is converted into glucose and water, releasing carbon dioxide and energy.
D) Carbon dioxide and water are rearranged to form glucose, releasing energy.

✅ Answer:

Glucose and oxygen react to form carbon dioxide, water, and ATP.

💡 Explanation:

In cellular respiration, glucose and oxygen are the reactants that undergo chemical reactions in the mitochondria of cells.
These reactions form carbon dioxide, water, and ATP (adenosine triphosphate), which provides energy for cellular processes and supports growth.

Standard: MS-LS1-7 | DOK: 3

Recent Questions

Short Answer📘 6.1.8.HistoryCC.5.f🧠 DOK 3

Question:

Analyze the economic impact of Reconstruction on the Southern United States from the perspectives of former enslaved people, Southern landowners, and Northern investors. Consider how each group's economic conditions and opportunities were affected during this period.

✅ Answer:

The period of Reconstruction had varied economic impacts on different groups in the Southern United States. Former enslaved people often faced significant challenges as they transitioned to a free labor system. Many became sharecroppers, which provided limited economic mobility and often trapped them in a cycle of debt and poverty. Southern landowners, on the other hand, had to adapt to the loss of enslaved labor. Some managed to retain their wealth by utilizing sharecropping and tenant farming systems, but many experienced financial difficulties as the Southern economy struggled to recover. Northern investors saw Reconstruction as an opportunity to invest in the South's infrastructure, such as railroads and factories, aiming for economic growth. However, their investments were met with mixed success due to the South's slow recovery and resistance to change.

💡 Explanation:

Reconstruction was a complex period with varied economic effects on different societal groups.
Former enslaved individuals struggled with new systems like sharecropping, which limited economic progress.
Southern landowners faced the challenge of reorganizing their labor systems and economic practices.
Northern investors sought profit by investing in Southern development but faced challenges due to the South's economic instability and resistance to change.

Standard: 6.1.8.HistoryCC.5.f | DOK: 3

Dropdown📘 W.IW.8.2.b🧠 DOK 4

The Amazon rainforest, often referred to as the "lungs of the planet," produces over 20% of the world's oxygen. It is home to an estimated 390 billion individual trees divided into 16,000 species. Despite its significance, deforestation continues to threaten this vital ecosystem, with an area of forest equivalent to the size of a football field being destroyed every minute. Conservation efforts are crucial to preserve the biodiversity and ecological balance of the region.

Question:

What is the main reason the Amazon rainforest is called the "lungs of the planet"?

Answer Choices:

A) Because it covers a large land area
B) Because it produces a significant amount of the world's oxygen
C) Because it is home to many species
D) Because it is being deforested rapidly

✅ Answer:

Because it produces a significant amount of the world's oxygen

💡 Explanation:

The passage states that the Amazon rainforest produces over 20% of the world's oxygen, which is why it is referred to as the "lungs of the planet." This highlights its crucial role in maintaining the Earth's atmosphere.

Standard: W.IW.8.2.b | DOK: 4

Multiple choice📘 N.CN.C.7🧠 DOK 3

Question:

Solve the quadratic equation 2x^2 + 4x + 5 = 0 and identify the nature of its roots.

Answer Choices:

A) A. The roots are real and unequal.
B) B. The roots are real and equal.
C) C. The roots are complex and conjugate.
D) D. The roots are purely imaginary.

✅ Answer:

C. The roots are complex and conjugate.

💡 Explanation:

To determine the nature of the roots, we calculate the discriminant of the quadratic equation ax^2 + bx + c = 0, where a = 2, b = 4, c = 5.
The discriminant $\Delta = b^2 - 4ac$ .
Here, $\Delta = 4^2 - 4(2)(5) = 16 - 40 = -24$ .
Since the discriminant is negative, the roots are complex and conjugate.

Standard: N.CN.C.7 | DOK: 3

Multiple select📘 6.1.8.HistoryUP.5.c🧠 DOK 3

The Emancipation Proclamation and the Gettysburg Address are two significant documents in American history. President Abraham Lincoln issued the Emancipation Proclamation on January 1, 1863, during the American Civil War. It declared that all enslaved people in Confederate states were to be set free. Although it did not immediately free all enslaved individuals, it was a critical turning point in the war and paved the way for the abolition of slavery. The Gettysburg Address was delivered by Lincoln on November 19, 1863, during the dedication of the Soldiers' National Cemetery in Gettysburg, Pennsylvania. In his brief but powerful speech, Lincoln emphasized the principles of human equality espoused by the Declaration of Independence and redefined the Civil War as a struggle not just for the Union, but as a new birth of freedom that would bring true equality to all of its citizens. Both documents continue to influence American society by shaping national ideals of freedom, equality, and democracy.

Question:

Which of the following statements explain how the Emancipation Proclamation and the Gettysburg Address continue to impact American life today? Select all that apply.

Answer Choices:

A) They laid the foundation for the civil rights movement by promoting equality.
B) They immediately ended all forms of discrimination in the United States.
C) They reinforced the idea of freedom and equality as central to American identity.
D) They are only significant in the context of the Civil War and have no relevance today.
E) They continue to inspire movements for social justice and equality.

✅ Answer:

They laid the foundation for the civil rights movement by promoting equality.; They reinforced the idea of freedom and equality as central to American identity.; They continue to inspire movements for social justice and equality.

💡 Explanation:

The Emancipation Proclamation and the Gettysburg Address laid the groundwork for future civil rights movements by emphasizing freedom and equality.
These documents continue to inspire ongoing efforts for social justice and are central to the American identity, reinforcing ideals that go beyond their original historical context.

Standard: 6.1.8.HistoryUP.5.c | DOK: 3

Multiple select📘 6.SP.A.1🧠 DOK 3

Question:

Which of the following questions are statistical questions, meaning they anticipate variability in the data? Select all that apply.

Answer Choices:

A) What is the height of the tallest building in the world?
B) How many hours do students in Grade 6 spend on homework each week?
C) What is the average temperature in New York City in January?
D) How old is the oldest living person?
E) How many languages are spoken by students in a school?
F) What is the result of 8 multiplied by 7?

✅ Answer:

How many hours do students in Grade 6 spend on homework each week?, What is the average temperature in New York City in January?, How many languages are spoken by students in a school?

💡 Explanation:

Statistical questions anticipate variability in the data and typically involve collecting data that has variability.
Asking about the height of the tallest building or the age of the oldest living person does not involve variability in the same way, as they seek fixed values.
Questions about average temperature, time spent on homework, and languages spoken involve data that can vary across different individuals or situations.

Standard: 6.SP.A.1 | DOK: 3

Multiple select📘 MS-PS2-2🧠 DOK 3

Question:

A group of students conducted an experiment to investigate how different forces affect the motion of a toy car. They used cars with varying masses and applied different forces to each car. Which of the following observations would support the conclusion that the change in an object's motion depends on the sum of the forces and the mass of the object? Select ALL that apply.

Answer Choices:

A) A. When a larger force was applied to the heavier car, the car accelerated more than when a smaller force was applied.
B) B. When the same force was applied to two cars of different masses, the car with the smaller mass accelerated more.
C) C. When no force was applied, the cars remained stationary regardless of their mass.
D) D. The car with the largest mass required the least amount of force to begin moving.
E) E. Applying the same force to two identical cars, one on a smooth surface and one on a rough surface, resulted in the car on the smooth surface accelerating more.

✅ Answer:

A, B, C

💡 Explanation:

The change in an object's motion is influenced by both the magnitude of the force applied and the mass of the object.
Observation A supports this by showing that a larger force causes greater acceleration.
Observation B supports this by demonstrating that with the same force, a smaller mass results in greater acceleration.
Observation C highlights that without force, motion does not change regardless of mass.
Observation D is incorrect because more mass generally requires more force to achieve the same acceleration.
Observation E, while true, focuses more on friction than on the relationship between force, mass, and acceleration.

Standard: MS-PS2-2 | DOK: 3

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