It’s fall. Farmers are busy harvesting their crops. Let’s take a look at the equipment they use.
Plows are machines that tractors pull. They break up soil. This helps farmers plant new seeds.
Photo Credit: Grandpa/Shutterstock
How can you magnify something? You can use lenses. Lenses … read more
Have you ever seen a stick walk? This is a … read more
Chappelle got many ideas for his inventions from fireflies. He … read more
© 2025 McGraw-Hill Education. All Rights Reserved.