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Sample Question of the Day

Multiple select📘 MS-PS2-1🧠 DOK 3

Question:

Two skateboarders, Alex and Jamie, are on a smooth, level surface. Alex pushes against Jamie, causing both of them to move in opposite directions. Which of the following statements correctly apply Newton's Third Law to describe the motion of Alex and Jamie? Select all that apply.

Answer Choices:

A) A. Alex exerts a force on Jamie, and Jamie exerts an equal and opposite force on Alex.
B) B. The forces exerted by Alex and Jamie are unequal because Alex is stronger.
C) C. Both skateboarders move in the same direction after the push.
D) D. The force exerted by Alex on Jamie is equal in magnitude and opposite in direction to the force exerted by Jamie on Alex.
E) E. Neither skateboarder exerts any force on the other.

✅ Answer:

A, D

💡 Explanation:

According to Newton's Third Law, for every action, there is an equal and opposite reaction.
When Alex pushes on Jamie, Jamie pushes back with an equal and opposite force.
This causes them to move in opposite directions, demonstrating the law of action and reaction.

Standard: MS-PS2-1 | DOK: 3

Recent Questions

Multiple choice📘 RL.CR.5.1🧠 DOK 4

In the heart of the bustling city, there stood an ancient oak tree, its branches stretching wide as if trying to embrace the world. Beneath its shade, a small community thrived, drawing inspiration and solace from the tree's enduring presence. Legends whispered among the townsfolk spoke of the tree's magical powers, claiming it could grant wisdom to those pure of heart. As seasons changed, so did the stories, growing richer with each retelling.

Question:

How does the oak tree function as a symbol in the passage, and what might it represent in the context of the community?

Answer Choices:

A) A. The oak tree symbolizes strength and stability, representing the enduring spirit of the city.
B) B. The oak tree represents isolation, as it stands alone in the city.
C) C. The oak tree is a symbol of decay, reflecting the declining state of the community.
D) D. The oak tree symbolizes conflict, representing the tension between nature and urban development.

✅ Answer:

A. The oak tree symbolizes strength and stability, representing the enduring spirit of the city.

💡 Explanation:

The passage describes the oak tree as a source of inspiration and solace, suggesting its role as a symbol of strength and stability in the community.
It is portrayed positively, with legends attributing magical powers to it, further reinforcing its significance as a symbol of wisdom and enduring presence.

Standard: RL.CR.5.1 | DOK: 4

Dropdown📘 L.KL.8.2.c🧠 DOK 2

The old library was built in 1920 by a group of dedicated townspeople. Over the years, it has welcomed countless visitors who come to read, learn, and explore. Recently, a plan to renovate the library has been proposed, with hopes to restore its charm and improve its facilities. The decision to proceed with the renovation will depend on the town council's vote next month.

Question:

In the sentence, 'The old library was built in 1920 by a group of dedicated townspeople,' what voice is used?

Answer Choices:

A) Active
B) Passive
C) Conditional
D) Subjunctive

✅ Answer:

Passive

💡 Explanation:

The sentence is in the passive voice because the subject (the old library) receives the action (was built).

Standard: L.KL.8.2.c | DOK: 2

Multiple choice📘 6.2.8.GeoPP.1.b🧠 DOK 2

Question:

Which of the following best explains how the migratory patterns of early hunter-gatherers impacted the regions they settled in?

Answer Choices:

A) They introduced new hunting techniques and tools that influenced local animal populations and hunting practices.
B) They immediately established large cities and complex political systems upon arrival in new regions.
C) They solely depended on agriculture, leading to the development of farming societies.
D) They avoided interaction with any existing populations, leaving no impact on local cultures.

✅ Answer:

They introduced new hunting techniques and tools that influenced local animal populations and hunting practices.

💡 Explanation:

Early hunter-gatherers migrated from Africa to various parts of the world, including Eurasia, Australia, and the Americas.
As they settled in new regions, they brought with them new hunting techniques and tools, which influenced the local animal populations and hunting practices of these areas.
This exchange of knowledge and technology played a significant role in shaping the development of human societies.

Standard: 6.2.8.GeoPP.1.b | DOK: 2

Multiple choice📘 N.VM.C.13🧠 DOK 3

Question:

Consider the 2x2 matrix A = $\begin{pmatrix} 3 & 1 \\ 2 & 4 \end{pmatrix}$ . If this matrix is used to transform a shape in the plane, how does the area of the transformed shape compare to the area of the original shape?

Answer Choices:

A) The area of the transformed shape is 1.5 times the area of the original shape.
B) The area of the transformed shape is 10 times the area of the original shape.
C) The area of the transformed shape is 5 times the area of the original shape.
D) The area of the transformed shape is 7 times the area of the original shape.

✅ Answer:

The area of the transformed shape is 10 times the area of the original shape.

💡 Explanation:

The determinant of matrix A is calculated as $3 \times 4 - 1 \times 2 = 12 - 2 = 10$ .
The absolute value of the determinant gives the area scaling factor.
Therefore, the area of the transformed shape is 10 times the area of the original shape.

Standard: N.VM.C.13 | DOK: 3

Short answer📘 W.IW.6.2.b🧠 DOK 3

The Amazon rainforest, often referred to as the 'lungs of the Earth,' produces about 20% of the world's oxygen. It is home to a diverse array of wildlife, including jaguars, sloths, and countless species of birds and insects. Deforestation, primarily due to agriculture and logging, poses a significant threat to this vital ecosystem. Scientists estimate that if current rates of deforestation continue, the rainforest could reach a tipping point, transforming into a savanna, which would have drastic effects on global climate and biodiversity.

Question:

Explain how deforestation in the Amazon rainforest impacts global climate and biodiversity.

✅ Answer:

Deforestation in the Amazon rainforest reduces the number of trees available to absorb carbon dioxide, contributing to increased greenhouse gases in the atmosphere, which affects global climate. Additionally, the loss of habitat threatens numerous species that rely on the rainforest for survival, leading to a decline in biodiversity.

💡 Explanation:

The Amazon rainforest plays a crucial role in carbon absorption and provides habitat for a vast number of species.
Deforestation reduces these trees, leading to higher carbon levels and increasing greenhouse effects.
The loss of biodiversity occurs as species lose their habitats, potentially leading to extinction.

Standard: W.IW.6.2.b | DOK: 3

Multiple select📘 MS-PS3-5🧠 DOK 4

Question:

Which of the following scenarios support the claim that a change in an object's kinetic energy involves a transfer of energy to or from the object? Select all that apply.

Answer Choices:

A) A car accelerates, increasing its speed as it moves downhill, demonstrating energy transfer from gravitational potential energy to kinetic energy.
B) A cyclist coasts to a stop due to friction, where kinetic energy is transferred to thermal energy.
C) An ice cube melting on a hot plate where the thermal energy of the plate does not change.
D) A skateboarder comes to a stop at the top of a ramp without any external force applied, maintaining constant kinetic energy.
E) A book falls off a shelf, converting potential energy to kinetic energy as it accelerates towards the ground.

✅ Answer:

A car accelerates, increasing its speed as it moves downhill, demonstrating energy transfer from gravitational potential energy to kinetic energy.; A cyclist coasts to a stop due to friction, where kinetic energy is transferred to thermal energy.; A book falls off a shelf, converting potential energy to kinetic energy as it accelerates towards the ground.

💡 Explanation:

In scenarios where an object's kinetic energy changes, energy is transferred either to or from the object.
When a car accelerates downhill, gravitational potential energy is converted into kinetic energy, indicating an energy transfer.
Similarly, when a cyclist slows down due to friction, kinetic energy is transformed into thermal energy.
Lastly, as a book falls, its potential energy is converted into kinetic energy, showcasing energy transfer.
The ice cube scenario does not involve a change in kinetic energy, and the skateboarder scenario describes constant kinetic energy without energy transfer.

Standard: MS-PS3-5 | DOK: 4

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