Exploring Motion and Forces Quiz

What is the formula for speed?

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DOK Level 1: Recall

Which of the following best describes Newton's First Law of Motion?

• An object in motion stays in motion unless acted upon by an external force.

• Force equals mass times acceleration.

• For every action, there is an equal and opposite reaction.

• Energy cannot be created or destroyed.

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DOK Level 1: Recall

Calculate the acceleration of a car that increases its speed from 20 m/s to 30 m/s in 5 seconds.

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DOK Level 2: Skill/Concept

What is the difference between distance and displacement?

• Distance is a scalar quantity, while displacement is a vector quantity.

• Distance is always greater than displacement.

• Distance is the shortest path between two points.

• Displacement is the total path traveled.

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DOK Level 1: Recall

Which graph best represents an object moving with constant speed?

• A straight line with a positive slope on a distance-time graph.

• A curved line on a distance-time graph.

• A horizontal line on a distance-time graph.

• A straight line with a negative slope on a distance-time graph.

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DOK Level 2: Skill/Concept

What is the first step in the scientific method?

• Formulating a hypothesis

• Conducting an experiment

• Making an observation

• Analyzing data

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DOK Level 1: Recall

If a car travels 150 kilometers in 3 hours, what is its average speed?

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DOK Level 2: Skill/Concept

Which of the following is an example of a hypothesis?

• If plants are given more sunlight, then they will grow taller.

• Plants need water to survive.

• The sky is blue.

• Water boils at 100°C.

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DOK Level 1: Recall

In an experiment, what is the variable that is changed or controlled by the scientist?

• Dependent variable

• Independent variable

• Control variable

• Constant variable

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DOK Level 1: Recall

According to Newton's Second Law, what is the relationship between force, mass, and acceleration?

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DOK Level 1: Recall