Understanding Roller Coasters

What is the main idea of the entire passage?

• Roller coasters are fun rides at amusement parks.

• Roller coasters are complex puzzles that combine engineering, science, and design to create thrilling experiences.

• Engineers test roller coasters many times before opening them to the public.

• Roller coasters use gravity and stored energy to operate.

What is the primary role of engineers in designing roller coasters, as described in the passage?

• To make grand and beautiful roller coasters

• To test roller coasters multiple times before opening them to the public

• To ensure roller coasters use gravity effectively

• To design roller coasters that people will enjoy without being harmed

How does the second paragraph support the main idea of the passage?

• It describes different types of roller coasters and their features.

• It explains how roller coasters use gravity.

• It discusses the history of roller coasters.

• It explains how people test the safety of roller coasters.

What is the main idea of the third paragraph?

• Gravity makes the coaster go fast.

• Roller coasters start with a big hill known as a lift hill.

• The motor or chain pulls the coaster to the top of the hill.

• Roller coasters use gravity and stored energy to move along the track.

How does the following quote support the main idea of the third paragraph? "They start with a big hill. This is known as a lift hill."

• By describing the initial stage of a roller coaster ride

• By explaining how gravity works

• By discussing the speed of roller coasters

• By highlighting the design process of roller coasters

How does the fourth paragraph contribute to the overall main idea of the passage?

• It explains why riders should be worried about falling out of their seats, warning them to avoid roller coasters.

• It explains the forces that affect the speed and movement of roller coasters, detailing the scientific considerations that go into their designs.

• It highlights the safety measures of roller coasters, showing why riders should be cautious.

• It discusses the role of engineers in building roller coasters, emphasizing their role throughout the design process.

How does the following line relate to the main idea of the fourth paragraph? "They accelerate, or go faster, when they are going down hills."

• It explains the role of gravity in roller coaster movement.

• It describes the sleek design features of roller coasters.

• It discusses the importance of safety in roller coasters.

• It highlights the initial stage of a roller coaster ride.

What is a key detail about centripetal force mentioned in the passage?

• It is responsible for the speed of roller coasters.

• It prevents riders from falling out of their seats.

• It helps roller coasters start moving.

• It slows down roller coasters when going uphill.

What is the main idea of the following sentence? "Roller Coasters are filled with fascinating science!"

• Roller coasters are educational for riders.

• Roller coasters involve various scientific concepts that make them thrilling and safe.

• Roller coasters are easy to understand and build.

• Roller coasters are designed to be safe for riders.

Which of the following details could be added to this passage to further support the main idea?

• A description of the world's most expensive roller coaster park

• An explanation of how gravity impacts the movement of Ferris wheels

• An anecdote about how a person overcame their fear of roller coasters

• An explanation of the safety measures taken to protect roller coaster riders