| A | B |
|---|
| PROBLEM | WILL THE COLOR OF LIGHT AFFECT THE MASS OF FOOD CHICKENS EAT |
| HYPOTHESIS | IF THE COLOR OF LIGHT CHANGES, THEN THE MASS OF FOOD CHICKENS EAT CHANGES. |
| RESEARCH | INTERVIEW WITH FARMER BROWN ABOUT CHICKENS |
| PROCEDURE | 1. OBTAINED TWO CHICKEN HOUSES THAT WERE THE SAME SIZE. 2. PUT 15 HENS IN EACH HOUSE. 3. PUT A BLUE LIGHT BULB IN ONE HOUSE AND A WHITE BULB IN THE OTHER HOUSE... |
| RESULTS | THE CHICKENS WITH THE WHITE BULB AVERAGED EATING 40.23 KG OF FOOD PER DAY AND THE CHICKENS WITH THE BLUE BULB AVERAGED 37.89 KG OF FOOD PER DAY. |
| CONCLUSION | THE DATA COLLECTED INDICATED THE HYPOTHESIS SHOULD BE SUPPORTED. THERE WAS A MEASURABLE DIFFERENCE BETWEEN THE MASS OF FOOD EATEN WITH THE WHITE BULB COMPARED TO THE BLUE BULB. |
| RESEARCH | USING RESOURCES TO LOOK UP BACKGROUND INFORMATION ABOUT A PROBLEM |
| HYPOTHESIS | A PROPOSED SOLUTION TO A PROBLEM |
| PROCEDURE | USUALLY HAS NUMBERED STEPS GIVING DIRECTIONS ON HOW TO COLLECT DATA |
| RESULTS | NUMERIC OUTCOMES OF THE EXPERIMENT |
| m/s2 in a direction | unit for acceleration |
| m/s in a direction | unit for velocity |
| Newton | unit of measure that equals the force required to accelerate 1 kilogram of mass at 1 meter per second per second |
| Newton's 1st law | continues in an existing state of rest or continual motion in the same direction until acted on be external force |
| inertia | object's resistance to change in motion |
| force | a push or pull exerted on an object |
| Newton's 2nd law | sum of the forces is equal to mass of the object multiplied by the object's acceleration |
| Newton's 3rd law | forces act in pairs and for every action there is an equal and opposite reaction |
| friction | the resistance to motion that occurs when an object encounters when moving over a surface |
| momentum | product of an object's mass and velocity |
| kg * m/s in a direction | unit for momentum |
| gravity | force the pulls objects toward eachother |
| velocity | speed in a definite direction |
| acceleration | rate at which velocity changes |
| mass | as this increases, inertia increases |
| motion | the state at which an object's distance from position is changing |
| action force | force exerted by first object on the second object |
| reaction force | force exerted by second object in response to first object |
| drag | force that acts in the opposite direction as object moving through air |
| centripetal force | force that acts on an object in a circular path and is directed to the center |
| Newton's 3rd law | as fuel in the rocket ignites, the force of gas expansion and explosion pushes out the back of the rocket and send the rocket skyward |
| Newton's 2nd law | as ice skater pushes harder with his leg muscles, he begins to move faster |
| Newton's 1st law | when you are standing up in a subway train, and the train suddenly stops, your body continues to go forward |
| friction | the blade of an ice skate skimming over the ice results in the production of heat energy causing the ice to melt |
| air resistance | sleek shape of bobsled allows greater speeds because of decrease in ____________ |
| potential energy | mgh |
| Liter (L) or milliliter (mL) | What unit would be used for measuring volume (such as a can of coke)? |
| meter (m) | Appropriate unit for measuring the length of a room? |
| Kilometers (km) | Which unit would be used in determining distance from school to the Omaha Zoo? |
| grams (g) | What scientific unit would be most appropriate for measuring biomass of a soybean plant? |
| milligrams (mg) | Unit to measure the amount of ibuprofen in a capsule? |
| centimeters (cm) | Unit to measure the height of a blade of grass? |
| meters (m) or centimeters (cm) | Units for the height a rubberball bounces? |
| millimeters(m) | Units for the thickness of 5 sheets of notebook paper? |
| milliliter (mL) | Units for the amount of a dose of cough syrup? |
| centimeters (cm) | Units for the circumference of softball? |
| seconds (s) | normal measurement for time |
| degrees Celsius (oC) | scientific unit for temperature |
| milliliter (mL) | which unit would be used for finding the volume of a marble? |
| 5.00 Liter (L) | 5000 mL = ? L |
| 2.00 meters (m) | .002 km = ? m |
| cubic centimeters (cm3) | Which unit would be used for determining the volume of a box? |
| 0.45588 g OR BETTER 0.46 g | 455.88 mg = ? g |
| 257.77 centimeters (cm) | 2.5777 m = ? cm |
| g/mL | Which unit would be used for comparing the mass to volume ratio of a fluid |
| g/cm3 | Which unit would be used for comparing the mass to volume ratio of a book |
| problem | starts with "does" or "will" |
| hypothesis | starts with "if" or "as" |
| conclusion | includes "hypothesis is supported" |
| procedure | directions for an experiment |
| research | gathering reliable information about problem |
| results | contains statistics like mean and median |
| Newtons(N) | scientific unit for force |
| control group | test group without independent variable |
| constants | e same so only difference is independent variable |
| independent variable | part of problem being changed by experimenter |
| m/s2 in a direction | unit for acceleration |
| m/s in a direction | unit for velocity |
| The appropriate unit for measuring mass of food chickens eat.. | GRAMS |
| CUBIC CENTIMETERS/CENTIMETERS CUBED | The appropriate unit for measure volume of wood blocks. |
| CENTIMETER | Appropriate unit for measuring width of wood block |
| LITER | Appropriate unit for measuring the volume of water given to chickens |
| cubic centimeters (cm3) | Which unit would be used for determining the volume of a box? |
| milliliter (mL) | which unit would be used for finding the volume of a marble? |
| degrees Celsius (oC) | scientific unit for temperature |
| normal measurement for time | seconds (s) |
| CONCLUSION | The hypothesis stated the type of water sealer would affect mass of wood blocks soaked in water. The data collected supports the hypothesis. |
| PROBLEM | Starts with “Does” or “Will”, contains IV and DV, and ends with “?” |
| PROCEDURE | -Written as numbered steps -Each step begins with a verb, “command” statements |
| CONCLUSION | -Restates hypothesis -States whether hypothesis is supported or not supported |
| PROBLEM | Will the type of water sealer affect mass of wood blocks soaked in water in grams? |
| HYPOTHESIS | If the type of sealer changes, then the amount of mass wood blocks will change. The blocks that have the sealer that contains carboxyl will gain the least amount of water. |
| RESULTS | The wood blocks with carboxyl applied gained an average of 26.32 grams. The wood bricks with acetyl acetate applied gained an average of 33.77 grams. |
| PROBLEM | Will ___________affect ______? |
| HYPOTHESIS | If ___________ decreases, then ________ will decrease. |
| PROCEDURE | 1. Get 30 wood blocks 24 cm x 6 cm. 2. Apply 25 mL of carboxyl sealer to 10 of the wood blocks. 3. Allow to dry for 24 hours. 4. ….continued |
| RESULTS | -Contains numbers. -Usually refers to statistical analysis like average, mean, median, or range. |
| QUALITATIVE OBSERVATION | Occurrence that is noticed using senses but is not measured |
| OBSERVATION | may be qualitative or quantitative |
| QUALITATIVE OBSERVATION | The girl was crying. |
| INFERENCE | The grass was wet in the morning so it must have rained. |
| INFERENCE | Conclusion based on logical reasoning |
| INFERENCE | The grass was a darker green because it had been fertilized |
| INDEPENDENT VARIABLE (IV) | the part of the experiment, that the person doing the experiment changes or controls |
| DEPENDENT VARIABLE (DV) | part of the experiment being measured |
| DEPENDENT VARIABLE | mass of food chickens eat WHICH PART OF EXPERIMENTAL DESIGN? |
| CONTROL GROUP | the non-experimental group WHICH PART OF EXPERIMENTAL DESIGN? |
| CONSTANTS | keeps all necessary parts of the experimental design the same so the only effect caused by IV |
| RETESTS/NUMBER OF TRIALS | repetition of the experiment; should have a minimum of 10 for each group |
| m/s2 in a direction | unit for acceleration |
| m/s in a direction | unit for velocity |
| Newton | unit of measure that equals the force required to accelerate 1 kilogram of mass at 1 meter per second per second |
| Newton's 1st law | continues in an existing state of rest or continual motion in the same direction until acted on be external force |
| inertia | object's resistance to change in motion |
| force | a push or pull exerted on an object |
| Newton's 2nd law | sum of the forces is equal to mass of the object multiplied by the object's acceleration |
| Newton's 3rd law | forces act in pairs and for every action there is an equal and opposite reaction |
| friction | the resistance to motion that occurs when an object encounters when moving over a surface |
| momentum | product of an object's mass and velocity |
| kg * m/s in a direction | unit for momentum |
| gravity | force the pulls objects toward eachother |
| velocity | speed in a definite direction |
| acceleration | rate at which velocity changes |
| mass | as this increases, inertia increases |
| motion | the state at which an object's distance from position is changing |
| action force | force exerted by first object on the second object |
| reaction force | force exerted by second object in response to first object |
| drag | force that acts in the opposite direction as object moving through air |
| centripetal force | force that acts on an object in a circular path and is directed to the center |
| Newton's 3rd law | as fuel in the rocket ignites, the force of gas expansion and explosion pushes out the back of the rocket and send the rocket skyward |
| Newton's 2nd law | as ice skater pushes harder with his leg muscles, he begins to move faster |
| Newton's 1st law | when you are standing up in a subway train, and the train suddenly stops, your body continues to go forward |
| friction | the blade of an ice skate skimming over the ice results in the production of heat energy causing the ice to melt |
| air resistance | sleek shape of bobsled allows greater speeds because of decrease in ____________ |
| terminal velocity | the constant speed that a freely falling object eventually reaches when the resistance of the medium through which it is falling prevents further acceleration. |
| lift | upward-acting force |
| thrust | described by Isaac Newton's second and third laws as reaction force |
| Bernoulli's Principle | the principle in hydrodynamics that an increase in the velocity of a stream of fluid results in a decrease in pressure. |
| net force | combination of all forces acting on an object. it changes the objects motion. |
| types of forces | tension, thrust, normal force, support force, weight, friction |
| weight | force with which the earth, moon, or other massively large object attracts another object towards itself. |
| gravity | the universal force of attraction acting between all matter. |
| 9.80 m/s^2 down | acceleration due to gravity on Earth |
| mass | as _____ increases, inertia increases |
| unbalanced force | Forces that produce a nonzero net force, which changes an objects motion |
| net force | The overall force on an object when all the individual forces acting on it are added together |
| Newton | unit of measure that equals the force required to accelerate 1 kilogram of mass at 1 meter per second per second |
| Newton's 1st law | continues in an existing state of rest or continual motion in the same direction until acted on be external force |
| inertia | object's resistance to change in motion |
| force | a push or pull exerted on an object |
| Newton's 2nd law | sum of the forces is equal to mass of the object multiplied by the object's acceleration |
| Newton's 3rd law | forces act in pairs and for every action there is an equal and opposite reaction |
| friction | the resistance to motion that occurs when an object encounters when moving over a surface |
| gravity | force the pulls objects toward eachother |
| motion | the state at which an object's distance from position is changing |
| action force | force exerted by first object on the second object |
| reaction force | force exerted by second object in response to first object |
| drag | force that acts in the opposite direction as object moving through air |
| centripetal force | force that acts on an object in a circular path and is directed to the center |
| Newton's 3rd law | as fuel in the rocket ignites, the force of gas expansion and explosion pushes out the back of the rocket and send the rocket skyward |
| Newton's 2nd law | as ice skater pushes harder with his leg muscles, he begins to move faster |
| Newton's 1st law | when you are standing up in a subway train, and the train suddenly stops, your body continues to go forward |
| friction | the blade of an ice skate skimming over the ice results in the production of heat energy causing the ice to melt |
| air resistance | sleek shape of bobsled allows greater speeds because of decrease in ____________ |
| impulse | change of momentum of an object when the object is acted upon by a force for an interval of time |
| air resistance | force that is caused by air. The force acts in the opposite direction to an object moving through the air. |
| m/s | unit for speed |
| gravity | force the pulls objects toward eachother |
| mass | as this increases, inertia increases |
| motion | the state at which an object's distance from position is changing |
| meters | unit for distance |
| frame of reference | point from which movement is determined |
| distance | measurement from one point to the next |
| distance | scientific unit is meters |
| displacement | distance and direction of object's change in position |
| speed | distance divided by time |
| speed | units are m/s or km/hr |
| constant speed | speed doesn't change |
| changing speed | result of speeding up or slowing down |
| average speed | total distance traveled divided by total time of travel |
| instantaneous speed | result of speedometer reading |
| velocity | speed in a definite direction |
| KG | MASS PHYSICS UNIT |
| SEC | TIME UNIT |
| meters | DISTANCE UNIT |
| KG * M/S IN A DIRECTION | MOMENTUM UNIT |
| M/S^2 IN A DIRECTION | ACCELERATION UNIT |
| M/S IN A DIRECTION | VELOCITY UNIT |
| ACCELERATION | TYPE OF MEASURE 26.55 m/s^2 south |
| MOMENTUM | TYPE OF MEASURE 75.32 kg*m/s down field |
| 9.80 m/s^2 down | acceleration due to gravity |
| VELOCITY | TYPE OF MEASURE 98.32 m/s up |
| DISTANCE | TYPE OF MEASURE 66.00 m |
| MOMENTUM | product of an object's mass and velocity |
| kg * m/s in a direction | unit for momentum |
| GRAVITY | force the pulls objects toward eachother |
| VELOCITY | speed in a definite direction |
| ACCELERATION | rate at which velocity changes |
| FRAME OF REFERENCE | point from which movement is determined |
| ACCELERATION | change in velocity per unit of time |
| VELOCITY | speed in a definite direction |
| MOMENTUM | result of multiplying mass of an object and the object's velocity |
| P = MV (MASS X VELOCITY) MOMENTUM FORMULA | P = MV (MASS X VELOCITY) |
| ACCELERATION | VELOCITY OF OBJECT CHANGES WITH TIME |
| (FV - IV) / T FORMULA FOR ACCELERATION | (FV - IV) / T |
| FORCE | m x a |
| NEWTONS | Units for force |
| KG | MASS UNITS |
| SEC | TIME UNITS |
| meters | DISTANCE UNITS |
| KG * M/S IN A DIRECTION | MOMENTUM UNITS |
| M/S^2 IN A DIRECTION | ACCELERATION UNITS |
| M/S IN A DIRECTION | VELOCITY UNITS |
| ACCELERATION MEASUREMENT | 26.55 m/s^2 south |
| MOMENTUM MEASUREMENT | 75.32 kg*m/s down field |
| 9.80 m/s^2 down | acceleration due to gravity |
| VELOCITY MEASUREMENT | 98.32 m/s up |
| MOMENTUM | product of an object's mass and velocity |
| UNIT FOR MOMENTUM | kg * m/s in a direction |
| GRAVITY | Force the pulls objects toward eachother |
| CENTRIPETAL | acceleration towards center of circular path |
| PROJECTILE | An object on which what only force acting is gravity |
| TRAJECTORY | The path of a projectile |
| CENTRIPETAL ACCELERATION | Earth orbiting the sun is an example of ___ |
| HORIZONTAL AND VERTICAL | There are two components of a projectiles motion |
| TOWARDS THE CENTER | The acceleration of an object in uniform circular motion always points _________ |
| shape of path of a projectile | PARABOLA |
| downward movement under the force of gravity only. | FREE FALL |
| 2 dimensions of motion | VERTICAL AND HORIZONTAL |
| highest point of trajectory | APEX |
