Delta Explore Primary Leveled Readers: Force and Motion

Primary Grades

Delta Explore Readers are nonfiction student books that build informational literacy skills through science content area reading and engaging photographs while promoting scientific inquiry at the primary grades.

Each Delta Explore Reader

• Covers key standards-based science content
• Contains the same key science content, vocabulary, and photographs
• Highlights a career related to the topic
• Is available in three Lexile levels

In Delta Explore Force and Motion, students learn about the relationship between force, motion, and work. They discover how the six simple machines help people do work by moving objects easier, faster, or farther. Students also read about how construction workers use pulleys in their work.

Table of Contents

• What Is Force?
• What Is Motion?
• Energy and Work
• What Are Simple Machines?
• Lever
• Pulley
• Wheel and Axle
• Inclined Plane
• Wedge
• Screw
• Construction Workers
• Glossary

Lexile Levels by Article

	PINK (100-270)	ORANGE (270-400)	GREEN (400-545)
What Is Force?	260	370	520
What Is Motion?	250	390	460
Energy and Work	270	400	470
What Are Simple Machines?	260	380	540
Lever	240	390	410
Pulley	240	360	470
Wheel and Axle	260	380	520
Inclined Plane	240	390	540
Wedge	220	390	460
Screw	260	370	400
Construction Workers	250	370	490

Download Teacher's Guide (1.6 MB PDF)