Spectra Science · Grade 4
12 chapters · 132 pages
- Reading page
- Assessment
Getting Started
How Scientists Work
Unit 1
Energy on the Move
Learn
- 1.1 Full of Energy
- 1.2 Faster Objects Have More Energy
- 1.3 Investigation: What Happens When Objects Collide
- 1.4 Conductors, Insulators, and You
- 1.5 Electricity: Around and Around It Goes
- 1.6 Power in a Little Package
- 1.7 Hot Colors
- 1.8 Taking Heat
- 1.9 Lighting the Future
- 1.10 Meals in Minutes
- 1.11 The Age of Petroleum
- 1.12 The Nuclear Option
- 1.13 A Moving Solution
- 1.14 Saying Good-bye to Fossil Fuels
- 1.15 Design: Build a Solar Oven
Learn
- 2.1 What a Wave Is: Its Height and Its Length
- 2.2 Investigation: Ripples That Make a Float Move
- 2.3 Sounds Good
- 2.4 Bouncing Back
- 2.5 The Nature of Light
- 2.6 Colors in the Sky
- 2.7 The Electromagnetic Connection
- 2.8 Patterns That Carry Information
- 2.9 The Dawn of the Information Age
- 2.10 Information in the Sky
- 2.11 Design: Send a Message with a Pattern
Assessment
Mid-Test · Units 1–2
Unit 3
Body Parts and Senses
Learn
Unit 4
Our Changing Earth
Learn
- 4.1 The Shapes of the Land
- 4.2 Break It Down
- 4.3 Strange but Beautiful
- 4.4 Nature’s Ice Cubes
- 4.5 Investigation: How Running Water Wears Away Soil
- 4.6 Keeping Time
- 4.7 Maps of Mountains, Volcanoes, and Earthquakes
- 4.8 An Inside Look at Earth
- 4.9 When the Ground Moves
- 4.10 Design: Reduce Harm from an Earthquake
Bonus
Extra Readings
Learn
- Lesson 1 · A Metal of Many Uses
- Lesson 2 · Planetary Weather
- Lesson 3 · The Hubble Space Telescope
- Lesson 4 · Under Control
- Lesson 5 · Suiting Up
- Lesson 6 · You Won’t Feel a Thing
- Lesson 7 · Farm-Fresh Milk
- Lesson 8 · Feed Your Body Right
- Lesson 9 · A Common Problem
- Lesson 10 · The Roots of Science
- Lesson 11 · The Parents of Chemistry
- Lesson 12 · The Gaia Hypothesis
- Lesson 13 · Bringing Space Technology Down to Earth
- Lesson 14 · Not Quite Human
- Lesson 15 · A Name for Every Living Thing