grade four print teacher s edition contains 150 daily lessons. Students will learn important Earth, physical and life science concepts through hands-on activities, vocabulary practice and multiple choice comprehension tests. Each week is divided into five daily concentrated lessons that answer interesting questions such as is it safe to eat moldy food and how does bacteria cause cavities? Students explore these concepts and more through the scientific method, forming conclusions based on outcomes just like scientists.Fit standards-based science instruction into your curriculum! Help your grade 4 students develop a genuine understanding of standards-based scientific concepts and vocabulary using the 150 engaging activities in Daily Science! A variety of rich resources, including vocabulary practice, hands-on science activities, and comprehension tests in multiple-choice format, help you successfully introduce students to earth, life, and physical science concepts.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 ReviewBig 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 ReviewBig 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 ReviewBig 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 ReviewBig Idea 5: Electrical energy can be converted into heat, light, sound, 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 ReviewBig 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

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