Fit standards-based science instruction into your curriculum! Help your grade 3 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: Living things have adaptations that help them survive in their environment.Week 1: Why do flowers have different colors and scents?Week 2: How do dolphins sleep without drowning?Week 3: Why does a cactus have needles?Week 4: Why do birds migrate?Week 5: Unit ReviewBig Idea 2: Plants have many parts. Each part does a special job.Week 1: What's the difference between a fruit and a vegetable?Week 2: How does a tree get water from its roots to its leaves?Week 3: Why do dandelions turn white and fluffy? Week 4: Why do leaves change color in the fall?Week 5: Unit ReviewBig Idea 3: Fossils tell us about the plants and animals that lived long ago.Week 1: Where is the best place to look for fossils?Week 2: How do scientists know how old a fossil is?Week 3: Why are fossils of ocean animals found on mountains today?Week 4: How does something become a fossil?Week 5: Unit ReviewBig Idea 4: Air is a gas that surrounds us, takes up space, and creates weather.Week 1: Why can't you breathe in outer space?Week 2: Why does a can of soda sometimes explode when you open it?Week 3: Where does wind come from?Week 4: How do birds fly?Week 5: Unit ReviewBig Idea 5: Light moves in a straight line until it hits an object. Light can be absorbed, refracted, or reflected.Week 1: Why does it get hot in the car on a sunny day when it is cold outside?Week 2: Why does a straw look bent in a glass of water?Week 3: Why do things look backward in a mirror?Week 4: How does a movie projector work?Week 5: Unit ReviewBig Idea 6: Electricity travels in currents. It can pull and push the things around it.Week 1: Where does lightning come from?Week 2: Why do people get a shock when they touch metal?Week 3: How does a battery make electricity?Week 4: How does flipping a switch make a light bulb light up? Week 5: Unit Review