Scalars and Vectors Understanding Check

During a lively classroom debate, Kai asked, "What is a scalar quantity?" while Avery and Arjun eagerly waited to answer.

• A quantity that has both magnitude and direction

• A quantity that has only magnitude

• A quantity that has only direction

• A quantity that has neither magnitude nor direction

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DOK Level 1: Recall

Hey Abigail, Lily, and Elijah! Imagine you are all in a kitchen. The oven is set to a certain value, and you want to know which of the following quantities you would use to describe how hot the oven is. Can you guess which one is a scalar quantity?

• Velocity

• Force

• Temperature

• Displacement

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DOK Level 1: Recall

Hey class! Anika, Abigail, and Ava are having a lively debate while playing soccer. The ball is kicked across the field, and they start discussing what kind of quantity describes the ball's movement, considering both how fast it moves and in which direction it travels. Can you help them settle it? What is a vector quantity?

• A quantity that has only magnitude

• A quantity that has only direction

• A quantity that has both magnitude and direction

• A quantity that has neither magnitude nor direction

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DOK Level 1: Recall

Hey Avery, James, and Emma! Imagine you are all on a roller coaster ride. As the ride speeds up, you feel yourself being pushed back into your seat. Which of the following quantities describes both the direction and the rate at which your speed changes during the ride?

• Mass

• Speed

• Acceleration

• Temperature

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DOK Level 1: Recall

Rohan is driving his car and tells Henry and Aria that his speed is 60 km/h. Can you explain to them why speed is considered a scalar quantity?

• Because it has both magnitude and direction.

• Because it has only magnitude.

• Because it has only direction.

• Because it has neither magnitude nor direction.

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DOK Level 2: Skill/Concept

Avery is explaining to Lily why a car's velocity is considered a vector quantity while they are watching cars pass by on the street. Can you help Lily understand why velocity is a vector quantity?

• Because it has only magnitude

• Because it has only direction

• Because it has both magnitude and direction

• Because it has neither magnitude nor direction

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DOK Level 2: Skill/Concept

Hey students! Let's embark on an exciting journey into the world of physics. Can you help Kai, Arjun, and Abigail understand the difference between scalar and vector quantities with some cool examples?

• Scalars have only magnitude, like temperature; vectors have both magnitude and direction, like force.

• Scalars have both magnitude and direction, like velocity; vectors have only magnitude, like mass.

• Scalars have only direction, like displacement; vectors have only magnitude, like speed.

• Scalars have neither magnitude nor direction, like work; vectors have both magnitude and direction, like energy.

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DOK Level 2: Skill/Concept

Benjamin and Scarlett are having a lively debate about physics. Given the quantities: 5 m/s (speed), 10 N (force), 20 kg (mass), and 15 m (distance), can you help them figure out which are scalars and which are vectors? Hint: N is the unit that measures force.

• Scalars: 5 m/s, 10 N; Vectors: 20 kg, 15 m

• Scalars: 5 m/s, 20 kg, 15 m; Vectors: 10 N

• Scalars: 10 N, 20 kg; Vectors: 5 m/s, 15 m

• Scalars: 5 m/s, 10 N, 20 kg; Vectors: 15 m

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DOK Level 2: Skill/Concept

Imagine Scarlett, Olivia, and Samuel are on a mission to push a heavy box up a ramp. Can you explain why it is crucial to distinguish between scalar and vector quantities in this scenario?

• Measuring the temperature of a room

• Calculating the distance traveled by a car

• Determining the force needed to push a box up a ramp

• Measuring the mass of an object

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DOK Level 3: Strategic Thinking

Hey Daniel, Kai, and Benjamin! While helping to move boxes, you label the forces you use. Can you spot which one of these is NOT a correct vector?

• 45N up

• 6N -->

• 20N

• 22N North