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