30 weeks of instruction cover the following standards-based science topics: Big Idea 1: Plants and animals depend on each other and on their environment for survival Week 1: Why do beavers build dams? Week 2: Why do some plants have fruit Week 3: Do all bees make honey? Week 4: Where do animals get food in the winter? Week 5: Unit Review Big Idea 2: Most microorganisms do not cause disease, and many are beneficial Week 1: Why does garbage smell? Week 2: How do bacteria create cavities? Week 3: Are all germs bad? Week 4: Is it safe to eat moldy food? Week 5: Unit Review Big Idea 3: Both slow and rapid processes - from erosion to earthquakes - shape and reshape the Earth's surface Week 1: How was the Grand Canyon formed? Week 2: Do glaciers really move? Week 3: What makes volcanoes erupt? Week 4: What causes earthquakes? Week 5: Unit Review Big Idea 4: The properties of rocks and minerals reflect the process that formed them Week 1: What's the difference between a rock and a mineral? Week 2: Where do rocks come from? Week 3: Are some rocks valuable? Week 4: Do all rocks come from Earth? Week 5: Unit Review Big Idea 5: Electrical energy can be converted into heat, light, souund, and motion Week 1: How do toasters work? Week 2: What lights a digital clock? Week 3: How do hearing aids help people hear? Week 4: How do electric cars work? Week 5: Unit Review Big Idea 6: People invented machines to make work easier Week 1: Why do some building entrances have ramps? Week 2: What's the difference between a nail and a screw? Week 3: How do elevators work? Week 4: How does a wheelbarrow make works easier? Week 5: Unit Review
About the Seller
Since 1979, Evan-Moor Educational Publishers has provided educators with practical, creative, and engaging PreK–8 materials to support and enrich the core curriculum.
We strive to produce educational materials that are aligned with current standards and best educational practices—and with student interests and motivations. We pride ourselves on our ability to create products that not only build and reinforce basic and complex skills, but that develop a curiosity about the subjects in which those skills are taught.