Nội dung sách Daily Science Grade 6

Big Idea 1: Living things are made mostly of cells. Multicellular organisms have different cells that perform specialized functions
Week 1: Can horses and zebras have babies together?
Week 2: Why are some people left-handed?
Week 3: How can corn be yellow, white, or blue?
Week 4: Are identical twins exactly alike?
Week 5: Unit Review

Big Idea 2: Changes in the environment can affect the survival of a species
Week 1: What causes a species to become extinct?
Week 2: How have crocodiles survived for millions of years?
Week 3: If the ice cap melts, why can't polar bears just adapt?
Week 4: Would humans survive if there was another ice age?
Week 5: Unit Review

Big Idea 3: The tilt of Earth's axis and energy from the sun affect seasons and weather patterns
Week 1: What causes the weather?
Week 2: Why don't hurricanes happen at the equator?
Week 3: Why are the North and South Poles so cold?
Week 4: Are the seasons reversed on the other side of the world?
Week 5: Unit Review

Big Idea 4: Earth is divided into layers: crust, mantle, and core. The crust is made up of plates and move slowly around the Earth's surface
Week 1: Why do the continents look like they fit together?
Week 2: How do scientists know what is inside Earth?
Week 3: What happens when two continents collide?
Week 4: What will Earth's surface look like in the future?
Week 5: Unit Review

Big Idea 5: Matter is made up of tiny particles called atoms. Different arrangements of atoms compose all substances
Week 1: What do atoms look like?
Week 2: What is the periodic table?
Week 3: What is water made of?
Week 4: How are living things different from nonliving things?
Week 5: Unit Review

Big Idea 6: Energy can be mechanical, electrical, thermal, or chemical
Week 1: How do windmills make electricity?
Week 2: What makes popcorn pop?
Week 3: What makes fireflies glow?
Week 4: How do fireworks work?
Week 5: Unit Review