| 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 |
| force | a push or pull exerted on an object |
| 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 |
| drag | force that acts in the opposite direction as object moving through air |
| 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? |
| 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 |
| 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 | 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. |
| 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 |
| 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 |
| Bernoulli's Principle | the principle in hydrodynamics that an increase in the velocity of a stream of fluid results in a decrease in pressure. |
| weight | force with which the earth, moon, or other massively large object attracts another object towards itself. |
| 9.80 m/s^2 down | acceleration due to gravity on Earth |
| 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 |
| 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 |
| (FV - IV) / T FORMULA FOR ACCELERATION | (FV - IV) / T |
| FORCE | m x a |
| NEWTONS | Units for force |
| kinetic energy | (0.5) (m) (v)2 |
| Watts (W) | units for power |
| Joules (J) | units for energy |
| work | F x d |
| power | w/t |
| Joules (J) | units for work |
| Hertz (Hz) | units for frequency |
| Decibels (dB) | units for amplitude |
| RESONANCE | VIBRATIONS TRAVELING THROUGH AN OBJECT MATCH THE OBJECT'S NATURAL FREQUENCY |
| ANTINODES | INTERFERENCE THAT RESULTS IN MAXIMUM ENERGY PRODUCED |
| DESTRUCTIVE INTERFERENCE | CAUSE A DIFFERENCE IN AMPLITUDE AS A RESULT OF THE WAVES CANCELING THE EFFECT |
| CONSTRUCTIVE INTERFERENCE | WAVES COMBINE CAUSING AMPLITUDE TO INCREASE |
| INTERFERENCE | TWO OR MORE WAVES MEET AND HAVE AND CAUSE AN EFFECT ON EACHOTHER |
| DIFFRACTION | BENDING OF WAVE AROUND A BARRIER |
| REFRACTION | WAVES CHANGING FROM ONE MEDIUM TO ANOTHER CAUSING THE SPEED OF THE WAVE TO CHANGE |
| ANGLE OF REFLECTION | the angle between a reflected ray and the normal drawn at the point of incidence to a reflecting surface. |
| ANGLE OF INCIDENCE | The angle formed by a ray or wave incident on a surface and a line perpendicular to the surface at the point |
| REFLECTION | A WAVE BOUNCING OFF OF A SURFACE THE WAVE CANNOT PASS THROUGH |
| NODE | point at which a wave has an amplitude of zero |
| HERTZ | derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second |
| DECIBELS | unit for expressing the ratio between two physical quantities, usually amounts of acoustic or electric power, or for measuring the relative loudness of sounds |
| WAVELENGTH | the distance between successive crests of a wave, |
| TROUGH | the minimum or lowest point in a cycle. |
| CREST | point on a wave with the maximum value of upward displacement within a cycle |
| RAREFACTION | COILS OF LONGITUDINAL WAVE ARE SPREAD APART |
| COMPRESSION | COILS OF LONGITUDINAL WAVE ARE CLOSE TOGETHER |
| AMPLITUDE | MAXIMUM DISTANCE THE PARTICLES OF A WAVE ARE MOVED FROM REST POSITION |
| SURFACE | TYPE OF WAVE THAT IS COMBINATION OF TRANSVERSE AND LONGITUDINAL OCCURRING AT BOUNDARY OF TWO DIFFERENT MEDIUMS |
| LONGITUDINAL | PARTICLES MOVE PARALLEL IN COMPRESSIONS AND RAREFACTIONS |
| TRANSVERSE | WAVES MOVE AT UP AND DOWN COMPARED TO THE MEDIUM |
| MECHANICAL WAVE | TYPE OF WAVE THAT REQUIRES A MEDIUM |
| VIBRATION | A REPEATED BACK AND FORTH OR UP AND DOWN MOTION THAT IS THE SOURCE OF A WAVE |
| MEDIUM | MATERIAL A WAVE TRAVELS THROUGH |
| WAVE | DISTURBANCE THAT TRANSFERS ENERGY FROM PLACE TO PLACE CREATED WHEN A SOURCE OF ENERGY CAUSES A MEDIUM TO VIBRATE |
| PERIOD | the time it takes for a wave to complete one full cycle, measured in seconds |
| FREQUENCY | the number of mechanical sound waves that pass a certain point in one second |
| PITCH | determined by the frequency of vibration of the sound waves |
| FREQUENCY | F= v/λ |
