7th Grade Science Exam 1 Mr Barrett
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| List 5 Dos for working in a science lab | 1 WEAR GOGGLES
2 HAIR BACK
3 GLOVES
4 CLOSED TOE SHOES
5 RESPONSIBILITY
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| Independent Variable | THE PART OF THE EXPERIMENT YOU CHANGE ON PURPOSE
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| Dependent Variable | THE CHANGE THAT OCCURS AS A RESULT OF THE CHANGE MADE FOR THE INDEPENDENT VARIABLE
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| Constants | A FACTOR IN AN EXPERIMENT THAT DOES NOT CHANGE
EX: ON THE DECAY OF A FRUIT AN APPLE WOULD BE THE CONSTANT
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| Control Group | A GROUP USED AS A BASELINE FOR CHECKING AND CMOPARING THE RESULTS OF AN EXPERIMENT
EX: GIVE SOMEONE A SUGAR PILL AND SOMEON AN ENERGY PILL
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| Quantitative Observations/Data | DATA THAT DEAL WITH NUMBERS AND MEASUREMENTS
EX: IN A FIRST GRADE CLASS THERE ARE 12 BOYS AND 9 GIRLS
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| Qualitative Observations/Data | DATAT THAT CAN BE COLLECTED WITHOUT TOOLS BY USING 5 SENSES
EX: TOUCH, SEE, SMELL, TASTE, HEAR
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| Repeated Trials | ADDITIONAL TRIALS OR TEST OF THE SMAE EXPERIMENT
EX: 2 + 2 = 4 CHECK ON A CALCULATOR
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| How to write a hypothesis | AN "IF….THEN" STATEMENT
EX: IF WE GO WHILE IT'S RAINING THEN WE WILL GET WET
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| How to write a title | THE EFFECT OF IV ON DV
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| Y axis: Which variable goes on it and what direction is it? | THE DEPENDENT VARIABLE VERTICALLY
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| X axis: Which variable goes on it and what direction is it? | THE INDEPENDENT VARIABLE HORIZONTALLY
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| Permeable | MATERIAL THAT LIQUIDS CAN FLOW THROUGH
EX: SPONGE
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| Impermeable | MATERIALS THROUGH WHICH LIUIDS CANNOT SOAK/FLOW
EX: CONCRETE, CEMENT/PUDDLE
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| Which material (clay, sand, or gravel) will hold the most water? | GRAVEL
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| Accumulation | THE PROCESS OF WATER GATHERING IN A RESERVOIR
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| Transpiration | WATER VAPOR GIVEN OFF BY PLANTS AND ANIMALS
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| Which reservoir in the water cycle contains the most water? | CONDENSATION
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| Condensation | THE CHANGE FROM GAS TO LIQUID
EX: WHEN STEAM TURNS INTO RAIN/DEW
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| What are you seeing when the mirror fogs up after you breathe on it? | EVAPORATION
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| Percolation | THE MOVEMENT OF WATER THROUGH EARTHS MATERIALS
EX: GRAVEL/SOIL/CLAY
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| Aquifer | PERMEABLE EARTH MATERIALS THAT COLLECT WATER
EX: THE DICKSON RIVER
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| Aquitard | IMPERMEABLE EARTH MATERIALS
EX: CLAY: NOTHING CAN GET THROUGH IT
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| Pesticides | CHEMICALS TO KILL INSECTS
EX: INSECTICIDES, FUNGICIDES, HERBICIDES
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| Point-source pollution | SINGLE, INDENTIFIABLE SOURCE OF AIR, WATER, THEMAL, NOISE OR LIGHT POLLUTION
EX: AIR OR CERTAIN COMPANY MAKING CHEMICALS
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| Non-point source pollution | BOTH WATER AND AIR POLLUTION FROM DIFFUSE SOURCES
EX: AIR: PEOPLE THAT DRIVE CARS
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| Ecosystem | SPECIES COMING TOGETHER WITH IT'S ENVIRONMENT, LIVING AND NON-LIVING
EX: DESERT: ALL ORGANISMS DESIGNED TO SURVIVE WITH LITTLE WATER
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| Biotic Factor | LIVING THINGS IN AN ECOSYSTEM
EX: BIRDS/ HUMANS/ ANIMALS
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| Abiotic Factor | NON-LIVING PARTS OF ECOSYSTEM
EX: TABLE CHAIR PAPER
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| Niche | IT PROVIDES MANY DIFFERENT NICHES FOR ORGANISMS THAT LIVE UNDER / ON THE CORALS
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| Population | ALL OF THE INDIVIDUAL OF ONE SPECIES IN A SPECIFIED AREA A TONE TIME
EX: BEEHIVE
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| Community | ALL THE INTERACTING POPULATIONS AND/OR INDIVIDUALS IN THE SPECIES AREA, MORE THAN ONE SPECIES
EX: OWL AND BIRDS
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| In which biome would it be an advantage to have white fur? | TUNDRA
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| Tundra | ICY, COLD CLIMATE, FREEZING (LITTLE SNOW)
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| Taiga/Boreal Forest | COOL 40-1100 CM RAINFALL ALL YEAR
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| Temperate Deciduous Forest | LOTS OF TREES HOT /DRY
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| Grasslands | VERY HOT IN SUMMER DRY AND VERY COLD IN WINTER
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| Tropical Rainforest | HOT, MOIST 100 CM RAIN PER YEAR
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| Direct Observation | A METHOD OF COLLECTION DATA THAT INVOLVES FIRST HAND VISUAL INSPECTION OF THE PARAMETERS UNDERSTUDY
EX: YOU SEE 5 APPLES, YOU COUNT 5 APPLES, THERE ARE 5 APPLES
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| Indirect Observation | THE RESEARCHER MUST RELY ON REPORTED OBSERVATIONS THAT INCLUDE DIRECT OBSERVATIONS OF OTHERS
EXL ASKING SURVEYS
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| Sampling | COUNTING THE NUMBER OF ORGANISMS
EX: A CORAL REEF HAS MANY ORGANISMS
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| How populations increase | WHEN THE BIRTHRATE EXCEEDS DEATHRATE
EX: WHEN A MOUSE RATE GOES DOWN AN OWLS RATE GOES DOWN AS WELL
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| How populations decrease | WHEN DEATH RATE EXCEEDS BIRTHRATE
EX: WHEN A MOUSE RATE GOES UP AND OWLS GOES UP THE MOUSE GOES DOWN
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| Limiting Factor | THE GROWTH OF AN ORGANISM POPULATION
EX: SPACE - THE POPULATIONCAN ONLY GROW WITHIN ITS ROOM
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| Jet Stream | A NARROW, VARIABLE OF VERY STRONG AIR CURRENTS CIRCLING THE GLOBE 5-9 KILOMETERS
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| Density | THE DEGREE OF COMPACTNESS OF A SUBSTANCE
EX: IF OIL GOES INTO THE OCEAN IT RISES BECAUSE OF IT'S LESS DENSE THAN WATER
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| What causes warm air to rise? | TEMPERATURE, WIND, AND DENSITY
EX: WHEN MOLECULES ARE HEATED THEY COME TOGETHER AND RISE
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| Gulf Stream | A WARM OCEAN CURRENT THAT FLOWS FROM THE FULF OF MEXICO THROUGH THE ATLANTIC OCEAN
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| Habitat Destruction/Loss | WHEN A NATURAL HABITAT IS RENDERED FUNCTIONALLY UNABLE TO SUPPORT THE SPECIES PRESENT
EX: WHENA FOREST FIRE HAPPENS THEN A TREE FALLS A SQUIRREL LOOSES IT'S HOME
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| Habitat Fragmentation | DESCRIBES EMERGENCE OR DISCONTINUES IN AN ORGANISM PREFERRED ENVIRONMENT
EX: WHEN ANIMALS ATTACK EACH OTHER
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| Extinction | THE STATE/PROCESS OF A SPECIES FAMILY OR LARGER GROUP BEING OR BECOMING EXTINCT.
EX: DINOSAURS WENT THROUGH AN EXPLOSION AND GOT KILLED
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| Keystone Species | OTHER SPECIES IN AN ECOSYSTEM LARGELY DEPEND SUCH THAT IF IT WERE REMOVED THE ECOSYSTEM WOULD CHANGE
EX: IF YOU TOOK A BIRD OUT OF A WHOLE SPECIES THEN IT WOULD ALL CHANGE
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| 3 Factors that Affect Biodiversity | 1 HABITAT DESTRUCTION
2 CLIMATE CHANGE
3 POACHING
EX: 1 LOOSING HOMES
2 PLANTS IN COLD EATHER WON'T GROW
3 ELEPHANTS AND TUSKS
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| Captive Breeding | BREEDING ANIMALS IN HUMAN CONTROLLED ENVIRONMENTS WITH RESTRICTED SETTINGS
EX: MAKING A BIGGER POPULATION
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| Biodiversity | THE NUMBER OF A DIFFERENT SPECIES IN AN AREA
EX: POPULATION/ECOSYSTEM
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| What is the MAIN cause of species extinction? (Be specific!) | POACHING/ILLECAL HUNTING
EX: ELEPHANTS FOR TUSKS AND ALLIGATORS FOR SKING
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| What type happens after a forest fire? | BURNS LOW-LYING VEGETATION
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| Pros and Cons of forest fires | 1 RECYCLES NUTRIENTS INTO SOIL
2 HELPS CONTROL DISEASES IN SOIL/PLANTS
3 OPENS FOREST FOR SUNLIGHT
EX: 1 ANIMAL HABITATS = RUINED
2 DAMAGE TO HOUSE.PROPERTY
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| Controlled burn | A TECHNIQUE USED IN FOREST MANAGEMENT AND FARMING
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| 5 DON'TS FOR WORKING IN A SCIENCE LAB | 1 NO HORSE PLAY
2 HAIR DOWN
3 NO EATING OR DRINKING
4 DON'T DRINK CHEMICALS
5 NO OPEN TOED SHOES
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| DESERT | HOT AND DRY BIOME EMPTY
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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