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The Balloon-Powered Car Race

Questions: 5

Grade: 5

Words: 141

Text

Text & Questions

Text, Questions & Answers

Today was the day of the annual school science fair. This year s theme was "Force and Motion," and the highlight of the day was the balloon-powered car race. Each student had built a small car and attached a balloon to it. When the balloon was inflated and then released, the force of the air rushing out of the balloon pushed the car forward. This demonstrated the basic principle that every action has an equal and opposite reaction. It was fascinating to see that the car with the biggest balloon didn t travel the farthest. Instead, it was the car with the medium-sized balloon that won the race. This showed the students that the magnitude of a force and its direction affects the motion of an object. The balloon-powered car race was not just fun, but also a great learning experience!

Question 1

What was the theme of this year s annual school science fair?

Gravity and Space

Energy and Environment

Force and Motion

Explanation. The text states that this year s theme was Force and Motion .

Water and Life

Nature and Animals

Question 2

What was the highlight of the science fair?

The chemistry experiment

The solar system presentation

The balloon-powered car race

Explanation. The text mentions that the highlight of the day was the balloon-powered car race.

The robotics display

The physics lecture

Question 3

What did the balloon-powered car race demonstrate?

The process of evaporation

The effects of gravity

The principle of every action has an equal and opposite reaction

Explanation. The story mentions that the balloon-powered car race demonstrated the principle that every action has an equal and opposite reaction.

The behavior of light

The process of photosynthesis

Question 4

Which car won the race?

The car with no balloon

The car with the smallest balloon

The car with the biggest balloon

The car with the medium-sized balloon

Explanation. The text says that it was the car with the medium-sized balloon that won the race.

The car with the most balloons

Question 5

What does the outcome of the race show about force and motion?

The bigger the force, the farther an object will go

The direction of a force has no effect on an object s motion

The smaller the force, the faster an object will go

The magnitude of a force and its direction affects the motion of an object

Explanation. The text explains that the outcome of the car race showed the students that the magnitude of a force and its direction affects the motion of an object.

Force has no effect on an object s motion

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