1. Study Guide for First Quiz

2. Science Word Parts on Quiz Tomorrow PrefixMEANING anti-against atmo-vapor chromo - color con-together di-double endo-within exo-outside hetero-different homo-same hydro-water PrefixMEANING anti-against atmo-vapor chromo - color con-together di-double endo-within exo-outside hetero-different homo-same hydro-water SuffixMEANING -ationthe act of -escentbecoming -graphydescription of -ogystudy of -meterdevice for measuring -scopeinstrument for seeing -sphereround -stasisstationary condition -thermheat --vergeturn

3. absorb Definition To collect, or take in Facts/Examples/NonExample Dark colors absorb heat Light is absorbed or reflected Leaves absorb sunlight in order to make food (photosynthesize) Sound waves are absorbed or reflected (echo) Cells absorb nutrients from their environment Memory Pictograph

4. acquired traits Definition Characteristic that an organisms develops because of its environment Facts/Examples/NonExample NOT traits NOT from parent, but from environment Help organism survive better Trait develops because of environmental conditions Ex: culture, language, larger muscles, acquired skill such as riding a bike Nonex: hair color, freckles, gender ----- inherited traits Memory Pictograph

5. adaptations Definition Traits that help plants and animals survive better Facts/Examples/NonExample Body parts of behaviors that help an organisms to survive more adaptations better chances for survival (Darwin) EX: Galapagos Islands finches with beaks adapted to what they feed on/ camouflage/ speed/ special coloration NONEX: traits that make survival less likely Memory Pictograph

6. atmosphere Definition blanket of gases that surround the Earth Facts/Examples/NonExample 78% nitrogen 21% oxygen other gases in much smaller amounts Mixture of nitrogen, oxygen and other gases in much smaller amounts Reduces in pressure as you go up in elevation Several layers that have different properties NONEX: hydrosphere, lithosphere, biosphere Memory Pictograph

7. atoms Definition Smallest form of matter Facts/Examples/NonExample Atoms bond together to form molecules Solids, liquids, gases, and plasma – made of atoms Atoms contain particles: – Protons (+) – neutrons(no charge) – electrons(-) Invisible and mostly empty space EX: Hydrogen atoms and all elements of the Periodic Table NONEX: Molecules are MADE OF atoms bonded together Memory Pictograph Carbon Atom – Atomic # 6

8. balance of nature Definition Balance and variety of species in a community Facts/Examples/NonExample Helps prevent overpopulation Birth rate and death rate are similar Waste of one species is food source for another species EX: bacteria are decomposers/ roaches are scavengers NONEX: Lake Erie dead zones from too much algae growth kills fish in sudden die off event Memory Pictograph

9. balance scale Definition Instrument used to measure mass (amount of matter)of an object Facts/Examples/NonExample Measuring tool Works like a lever Compares unknown mass to known mass Measures in metric: grams (g) or kilograms (kg) Heavy mass goes down/ light mass goes up EX: triple beam balance NONEX: human weight scale – measures mass and pull of gravity on you which depends on whether you are on Earth, moon, or another planet Memory Pictograph

10. benefit Definition Something that provides and advantage to an organism Facts/Examples/NonExample Anything that helps a species survive Benefits come with risks EX: pesticides can benefit humans by reducing mosquito populations BUT organisms that feed off mosquitoes (bats, birds, fish, frogs) will be harmed NONEX: no long term benefit to using up all the resources Memory Pictograph

11. cells Definition Basic unit of all living things Facts/Examples/NonExample Animal cells usually round Plant cells usually more squared off Human body made up of trillions of cells All cells come from other living cells EX: prokaryote (no nucleus) and eukaryote (has nucleus) cells NONEX: atoms and molecules are matter that help to make up cells but cells are alive and matter is not Memory Pictograph

12. cell wall Definition Outer boundary of a plant, fungi, and bacteria cells Facts/Examples/NonExample Hard rigid boundary that provides support and protection Explains why plants do not move about well Can bend, but will not move EX: made of cellulose and makes wood hard and durable NONEX: animal cells do NOT have cell walls Memory Pictograph