Unit 1 - Exploring Living Systems

Chapter 1 - Animal Behavior
What is behavior? - environment, inborn
Patterns of behavior - instinct, stimulus
Responding to the environment
Moving from place to place - migration
Giving information - communication (dolphins/porpoises)
Changing an animal’s behavior - conditioning (Pavlov)
Learning by trying things out
Behavior in humans

Chapter 2 - Cells
What are cells?
Making things look bigger - Microscope (lens, magnification)
Looking at cells - nucleus, protoplasm, cell membrane, cell wall
Moving through a membrane
New cells from old cells (cell division)
Life in a drop of pond water - paramecium
Cells work together
Tissues work together (organs)

Unit 2 - Exploring Matter and Energy

Chapter 3 - How Much Matter?
Measuring then and now
Finding the mass of matter (gram, kilogram)
Measuring the weight of matter - gravitation, Newton
Measuring the Volume of matter - cube, milliliters, liters
Measuring the density of matter

Chapter 4 - Heat Energy
What is heat? A form of energy - particles, molecules
How heat moves in solids, liquids, and gases - convection
How hot? - temperature, thermometer, degrees, Celsius
How much heat?
Heat from the sun
Heat from different kinds of matter - wood, kindling
Heat from electricity
Using heat energy - geothermal

Unit 3 - Exploring the Earth

Chapter 5 - The Changing Earth
Inside the earth - geologist, fossils, core, mantle, crust, bedrock
Earthquakes - fault lines
Earthquake records - seismographs
Volcanoes - lava, magma
The drifting continents
The ocean floor splits apart
Pieces of the earth’s crust are still moving - mid ocean ridges, plates

Chapter 6 - The Weather Around Us
What is the weather?
Meteorologists - atmosphere
The temperature of the air
Water in the air - humidity, hygrometer
Tiny drops of water - dew, frost, dewpoint
Clouds - cirrus, stratus, cumulus
Rain, Snow, Sleet, and Hail - precipitation, rain gauge

Chapter 7 - What Will the Weather Be?
Forecast
Air pressure - barometer, mercury
Winds - wind vane, anemometer
Air masses - warm fronts, cold fronts
Observing and reporting the weather - tornadoes, hurricanes

Unit 4 - Exploring New Frontiers

Chapter 8 - The Earth’s Ocean
Exploring the ocean - the bends
Where did the oceans come from?
What makes waves?
Waves near the shore
Rivers in the ocean - gulf stream, currents
Moving along the ocean floor - continental shelf
Resources from the sea - manganese

Chapter 9 - Life in the Ocean
Many kinds of plants and animals
Plants and animals near the shore
Plants and animals near the ocean’s surface - plankton, chlorophyll, algae, diatoms
Between the tides
The continental shelf
Plants and animals in the open ocean - baleen, krill, blowhole, sharks
Plants and animals of a coral reef
Patterns of life in the ocean

Chapter 10 - The Moon and Beyond
Escape from the earth - astronauts
The moon’s changing face - the phases
Blocking the sun’s light - eclipse
The moon and its pull - gravitation
The moon’s surface - meteorites
Learning from the trips to the moon
Spacecraft journeys without astronauts
Beyond our solar system - Milky Way, galaxy, light years

Unit 5 - Exploring Human Systems and Needs

Chapter 11 - Human Body Systems
Tissues, organs, and systems - muscle cells, fibers
Bringing cells what they need - blood vessels, circulatory system, hemoglobin, plasma
The heart and blood vessels - atrium, ventricles, valves, arteries, veins, capillaries
Getting oxygen in and carbon dioxide out - respiratory system
Getting rid of wastes - excretory system, kidneys, urine
Receiving and sending messages - nervous system, spinal cord
A control system - glands, hormones, endocrine system, adrenal glands, pituitary gland, adrenaline

Chapter 12 - Making Choices About Your Body’s Needs
Making choices about food - carbohydrates, fats, protein
Energy from food
What causes diseases - toxin, bacteria, virus
Fighting disease - antibodies, immune, vaccine, antibiotics, penicillin
Choosing what is best for you - alcohol, nicotine, narcotics, hallucinogens