Book 25, Question 120 · Video
How do street sweepers clean the road?
A street sweeper has round brushes underneath that spin and sweep dirt toward the middle. A conveyor or vacuum lifts the debris into a storage bin. Sprays of water keep dust from rising. Sweepers keep litter, sand, and leaves out of the storm drains and rivers. They often work at night or early in the morning when there is less traffic.
Read the full answer →Watch on YouTubeSee the series on Amazon
What Crafty Clover says in this video
Intro
Hi there, curious minds! I'm Crafty Clover! Let's discover something amazing. How do street sweepers clean the road?
The Big Idea
Early in the morning, a big machine rumbles by. It is a street sweeper! Let's see how it cleans.
Brushes
Step one: Brushes. A street sweeper has round brushes underneath that spin. They sweep dirt toward the middle.
Lifting
Step two: Lifting. A conveyor or vacuum lifts the debris into a storage bin. Sprays of water keep dust from rising.
Clean Water
Step three: Clean Water. Sweepers keep litter, sand, and leaves out of storm drains and rivers. They often work at night or early in the morning when there is less traffic.
A Closer Look
Let's take a closer look! Brushes sweep. The vacuum lifts. Water stops dust. The bin holds it all.
Quick Facts
Quick facts! Street sweepers are used more often in spring after winter sand and salt. Leaves clog drains. Many work at night. Cleaner rivers downstream.
Think Like a Scientist
Now, think like a scientist! Sweep a small area with a broom. Sweep a similar area with a small brush. Compare how well each picks up dirt. Which was faster? Which was cleaner?
Outro
Street sweepers clean roads with spinning brushes, a conveyor or vacuum, and water sprays to control dust, keeping litter, sand, and leaves out of storm drains and rivers. Clean streets mean cleaner rivers and lakes. Science is amazing! Keep asking questions! The more you look around, the more wonders you will find, so keep your eyes open! Crafty Clover can be found on Amazon Books, Google Bookstore, and Apple Books. Available for purchase or download! Bye for now!