Science Study Guide Unit A: Life Science Chapter 1 • • • • • • • • •

The two groups in to which plants can be grouped About two groups of plants that make seed About two groups of plants that do not make seeds What the four parts of a flower do How flowers with fewer than four parts produce seeds How pollination and fertilization occur How seed and fruits form How plants grow from seeds About the mature stage of a flowering plant’s life cycle

Chapter 2 • • • • • • • • •

Ways that animals are similar and different How animals without backbones vary How insects compare to other animals with jointed legs What characteristics of fish and amphibians are the same How the characteristics and life cycles of reptiles are like and different How birds alike and different How the characteristics and life cycles of mammals are alike How young animals are similar to and different from their parents What behaviors animal behaviors are learned

Chapter 3 • • • • • • • • •

What living and nonliving parts make up an ecosystem What a habitat is How plants get sunlight, water, and air How plants produce sugar How animals get energy The roles of scavengers and decomposers what the food chain is what a food web is what some causes of changes in food webs are

Chapter 4 • • •

how plants structures are important for survival how animal structures are important for survival how camouflage helps animals survive

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how living in groups can be important for survival how adult animals care for their young how migration and hibernation help animals survive how some animals live together in special ways how changes in air, and, water can affect plants and animals how people can help protect the environment how some living things become endangered or extinct how fossils provide evidence of plants and animals that lived long ago

Unit B: Physical Science Chapter 1 • • • • • • • • • • •

how mass and volume are different what physical properties of matter are what mixtures and solutions are how to measure length how to measure volume how to measure the mass of an object what the difference between mass and density is about some physical changes in matter how heating and cooling cause physical changes in matter about chemical changes in matter how rusting, tarnishing, and burning are chemical changes

Chapter 2 • • • • • • • • •

what makes thing move how gravity affects motion how friction affects motion what potential energy is what kinetic energy is about other forms of energy that affect motion what work is how simple machines affect motion what compound and complex machines are

Chapter 3 • • • • • • •

how objects get an electric charge how electric current flows about two types of circuits how electricity can be used safely how magnets act how the earth is like a magnet how a magnet can make electricity

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how electricity can make magnet how electromagnets are useful

Chapter 4 • • • • • • • • • •

what visible light is and what some of its sources are how light waves act how light acts when it hits different materials how flat and curved mirrors reflect light how light bends how sound is made what some properties of sound are how sound waves travel how your ear works how sounds can be made louder

Unit C: Earth Science Chapter 1 • • • • • • • • • • • • • •

what cause changes in air temperature how different surfaces on earth affect air temperature how to measure air temperature how air temperature causes changes in air pressure and wind how air pressure is measured how to measure wind direction and speed how clouds form how clouds are different what different kinds of precipitation are how to measure precipitation and humidity how water moves through a cycle what air masses and fronts are how meteorologists track and predict weather how the National Weather Service helps keep people safe

Chapter 2 • • • • • • • •

what landforms are found on the earth how volcanoes change the earth how earthquakes change the earth what some properties of minerals are how rocks form what makes up soil what natural resources are found on the earth how to conserve natural resources

Chapter 3 • • • • • • • • • •

how ocean mapping technology has changed what the ocean floor looks like who some ocean explorers are how vessels of ocean exploration have changed about some ocean exploration projects how ocean currents affect the earth what causes tides how waves affect the shoreline of the earth what saltwater habitats are how coral reef can be affected by human activity

Chapter 4 • • • • • • • • • • • • •

what the effects of Earth’s rotation and revolution are about the effects of Earth’s tilt what causes the phases of the moon how eclipses of the moon and sun occur how Earth is similar to and different from other planets what the orbits of the planets are like what scientists have learned about Earth’s neighboring planets what scientists have learned about Jupiter what scientists have learned about Saturn and Uranus what scientists have learned about Neptune and Pluto what asteroids and meteor are how the orbits of comets differ from those of planets how the stars are like our sun

Unit D: Human Body Chapter 1 • • • • • • • • •

what job the digestive system does what the steps in digestion are what part of blood are and what they do about three kinds of blood vessels what the path of blood through your heart is about the nervous system what role the nerve endings in your skin play who your eyes work how your tongue and nose gather information

Chapter 2 •

about some problems of the digestive system

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some ways to prevent digestive system problems about some problems of the circulatory system how you can help prevent circulatory system problems how to prevent head and spinal cord injuries how to prevent injuries to your eyes and ears how to avoid being harmed by drugs