Term
Most important Physical Science 

Definition


Term
What are the 5 Physicial Sciences 

Definition
1. Physicis,
2. Astronmeny,
3. Chemistry,
4. Metrology
5. Geology 


Term
What are the most important Senses? 

Definition


Term

Definition
Mater, Motion, Force, Energy. 


Term
What are the two measurement systems? 

Definition
British System and Metric System 


Term
Is the amount of Matter a object contains is? 

Definition


Term

Definition
The measurement of Matter of Space in any direction.
Measured in Meters (m). 


Term
The continous, forward flowing of events.
Standard in English and Metric Systems.


Definition
Time
Units are Seconds (s) 


Term

Definition
An Object 1 pound on Earth is 1/6th that weight on the Moon. 


Term

Definition
Mass per unit of Volume
Typical Units is g/cm^{3}
or grams per centimeter cubed 


Term
What is the Units of Newtons 

Definition


Term
What is the Unit of Joule (j) 

Definition


Term
What is the unit of watt (w) 

Definition


Term
What is the Distance to the Sun? 

Definition
93,000,000 miles
or 93x10^{6}
Prefered 9.3x10^{7} 


Term
What is the radius of the Earth 

Definition


Term

Definition
the time rate of change in velocity



Term

Definition
Falling under the influence of gravity w/o air resistance. 


Term

Definition
An object will remain at rest or in uniform motion in a straight line, unless acted upon by an external, unbalanced force. 


Term

Definition
The Natural tendency of an object to remain in a state of rest or uniform motion in a straight line. 


Term
A generalized mental image of an object is a (an)


Definition


Term
Which of the following is the best example of the use of a referent?


Definition


Term
defined and agreedupon referent used as a standi all systems of measurement is called a .


Definition


Term
The system of measurement based on referents in nature but not with respect to human body parts, is the


Definition


Term
A process of comparing a property to a welldefined and agreedupon referent is called a 

Definition


Term
One of the following is not considered to be a fundamental property
a. weight.
b. length.
c. time.
d. charge.


Definition


Term
How much space something occupies is described by its
a. mass.
b. volume.
c. density.
d. weight.


Definition


Term
27. Statements describing how nature is observed to behave
consistently time after time are called scientific
a. theories.
b. laws.
c. models.
d. hypotheses.


Definition


Term
28. A controlled experiment comparing two situations has all identical influencing factors except the
a. experimental variable.
b. control variable.
c. inverse variable.
d. direct variable.


Definition


Term
29. In general, scientific investigations have which activities in common?
a. State problem, gather data, make hypothesis, test, make
conclusion.
b. Collect observations, develop explanations, test explanations.
c. Observe nature, reason an explanation for what is observed.
d. Observe nature, collect data, modify data to fit scientific
model.


Definition
Collect observations, develop explanations, test explanations.



Term
30. Quantities, or measured properties, that are capable of changing values are called
a. data.
b. variables.
c. proportionality constants.
d. dimensionless constants.


Definition


Term
31. A proportional relationship that is represented by the symbols
a ex 1b represents which of the following relationships?
a. direct proportion
b. inverse proportion
c. direct square proportion
d. inverse square proportion


Definition


Term
32. A hypothesis concerned with a specific phenomenon is found to be acceptable through experiments over a long time. This hypothesis usually becomes known as a
a. scientitc law.
b. scientific principle.
c. theory.
d. model.


Definition


Term
33.A scientific law can be expressed as
a. a written concept
b. an equation
c.a graph
d all of the above 

Definition


Term
35. Which of the following symbols represents a measured property of the compactness of matter? a. m b. Ρ c. V d. Δ 

Definition


Term
36. A candle with a certain weight melts in an oven, and the resulting weight of the wax is a. less. b. the same. c. greater. d. The answer varies. 

Definition


Term
37. An ice cube with a certain volume melts, and the resulting
volume of water is
a. less.
b. the same.
c. greater.
d. The answer varies.


Definition


Term
39. A beverage glass is filled to the brim with icecold water (O°C)
and ice cubes. Some of the ice cubes are floating above the water
level. When the ice melts, the water in the glass will
a. spill over the brim.
b. stay at the same level.
c. be less full than before the ice melted.


Definition


Term
40. What is the proportional relationship between the volume of
in a cup and the time the juice dispenser has been running?
a. direct
b. inverse
c. square
d. inverse square


Definition


Term
41. What is the proportional relationship between the number of cookies in the jar and the time you have been eating the cookies?
a. direct
b. inverse
c. square
d. inverse square


Definition


Term
42. A movie projector makes a 1m by 1 m image when projecting
1 m from a screen, a 2 m by 2m image when 2 m
from the screen, and a 3 m by 3 m image when 3 m
from the screen. What is the proportional relationship between
the distance from the screen and the area of the image?
a. direct
b. inverse
c. Square
d. inverse square


Definition


Term
43. A movie projector makes a 1m by 1 m image when projecting 1 m from a screen, a 2 m by 2 m image when projecting 2 m from the screen, and 3 m 3 m image when projecting 3 m from the screen. What is the proportional relationship between the distance from the screen and the intenSity of the light falling on the screen? a. direct b. inverse c. square d. inverse square 

Definition


Term
44. According to the scientit1c method, what needs to be done to move beyond conjecture or simple hypotheses in a persons understanding of his or her physical surroundings? a. Make an educated guess. b. Conduct a controlled experiment. c. Find an understood model with answers. d. Search for answers on the Internet. 

Definition
Conduct a controlled experiment. 


Term
11. A generalized mental image of an object is a (an) a. definition. b. impression. c. concept. d. mental picture. 

Definition


Term
12. Which of the following is the best example of the use of a referent a. A red bicycle . b. Big as a dump truck C. The planet Mars d. Your texlbook 

Definition


Term
13. A welldefined and agreedupon referent used as a standard in all systems of measurement is called a . a. yardstick. b. unit. c. quantity. d. fundamental. 

Definition


Term
14. The system of measurement based on referents in nature, but not with respect to human body parts, is the a. natural system. b. English system. c. metric system. d. American system. 

Definition


Term
15. A process of comparing a property to a welldefined and agreedupon referent is called a a. measurement. b. rererral. c. magnitude. d. comparison. 

Definition


Term
16. One of the following is not considered to be a fundamenl property: a. weight. b. length. c. time. d. charge. 

Definition


Term
7. How much space something occupies is described by its a. mass b. volume. c. density. d. weight 

Definition


Term
8. The relationship between two numbers that is usually obtained by dividing one number by the other is called a (an) a. ratio. b. divided size. c. number tree. d. equation. 

Definition


Term
19 The ratio of mass per volume of a substance is called
a. weight
b. divided size
c. number tree
d. equation 

Definition


Term
110. After identifying the appropriate equation, the next step in correctly solving a problem is to
a. substitute known quantities for symbols. b. solve the equation for the variable in question. c. separate the number and units. d. convert all quantities to metric units. 

Definition
solve the equation for the variable in question. 


Term
111. Suppose a problem situation describes a speed in km/h and a length in m. What conversion should you do before substituting quantities for symbols? Convert a. km/h to km/s. b. m tokm. c. km/h to m/s. d. In this situation, no conversions should be made. 

Definition


Term
12. An equation describes a relationship where a. the numbers and units on both sides are proportional but not equal b. the numbers on both sides are equal but not the units. c. the units on both sides are equal but not the numbers. d. the numbers and units on both sides are equal 

Definition
the numbers and units on both sides are equal 


Term
21. A strightline distance covered during a certain amount of time describes and object's
a. speed
b. Velocity
c. acceleration
d. any of the above 

Definition


Term
22 How fast an object is amoving in a particular direction is described by.
a. speed
b. velocity
c. acceleration
d. none of the above. 

Definition


Term
23 Acceleraton occurs when an object undergoes
a. a speed increase
b. a speed decrease
c. acceleration
d. any of the above 

Definition


Term
24. A. car moving at 60 km/h comes to stop in 10 s when the driver slams on the breaks. In this situation, what does 60 km/h represent?
a. Average speed
b. Final Speed
c. Initial speed
d. Constant speed 

Definition


Term
27. In free fall, an object is seen to have a (an)
a. constant velocity
b. constant acceleration
c. increasing acceleration
d. decreasing acceleration 

Definition


Term
28. A tennis ball is hit, causing it to move upward form the racket at some angle to the horizon before it curves back to the surface in the path of a parabola. While it moves along this path.
a. the horizontal speed remains the same
b. The vertical speed remains the same
c. both the horizontal and vertical speeds remain the same.
d. both the horizontal and vertical speeds change. 

Definition
the horizontal speed remains the same 


Term
29 A quanity of 5 m/^{s2 } is a measurment of
a. metric area
b. accerlation
c. speed
d velocityds 

Definition


Term
210. An automobile has how many different divices that can cause it to undergo acceleration?
a. None
b. One
c. Two
d. Three or more 

Definition


Term
220. You are standing freely on a motionless suttle bus. When the shuttel bus quickly begins to move forward, you
a. are moved to the back of the shuttel bus as you move forward over the surface of the Earth
b. Stay in one place over he surface over the surface of the earth as the shuttle bus move form under you
c. mover along with the shuttle bus.
d. feel a froce toward the dide of the shuttle bus 

Definition
Stay in one place over he surface over the surface of the earthas the shuttle bus move form under you 


Term
221. Mass is measured in kilograms which is a measure of
a. weight
b. force
c. inertia
d. quanity of matter 

Definition


Term
222. Which metric unit is used to express a measur of weight
a. kg
b. J
c. N
d. n/s^{2} 

Definition


Term
224. If you double the unbalanced force on an object of given mass. the acceleration will be.
a. doubled
b. increased fourfold
c. increased by onehalf
d. increased by onefourth 

Definition


Term
225. If you double the mass of a cart while it is undergoing a constrant unbalanced force, the acceleration will be.
a. doubled
b. increase fourfold
c. onehalf as much
d. Four tiems as much. 

Definition


Term
227. If a ball swing in acircle on a string moved twice as fast, the force on the string will be
a. twice as great
b. four times as great
c. onehalf as much
d. One fourth as much 

Definition


Term
228. A ball is swing in circle on a string when teh string length is doubled. At the same velocity, the force on the string will be
a. twice as great
b. four times as great
c. onehalf as much
d. onefourth as much 

Definition


Term
237. You are moving a grocery cart at a constant speed in a stright line dow the aisle of a store. For this situation , the forces on the cart are.
a. unbalanced, in the direction of the movement
b. balanced, with a net forct of zero.
c. equal to the force of gravity acitn on the cart.
d. grater than the frictional force s opposing the notion of the cart. 

Definition
greater than the frictional force s opposing the notion of the cart. 


Term
239. Neglecting air resistance, ball in free fall near Earth's surface will have
a. constant speed and constant acceleration
b. increasing speed and increasing acceleration
c. increasing speed and decreasing acceleration
d. increasing speed and constant acceleration 

Definition
increasing speed and constant acceleration 


Term
241. After being released, a ball thrown stright up from a bridge will have an acceleration of
a. 9.8 m/s^{2}
b. zero
c. less than 9.8m/s^{2}
d. more than 9.8 m/s^{2} 

Definition


Term
244. A small sports can and a SUV collide head on and stick together without sliding. Which vehicle had the larger monentum change.
a The small sports car.
b. the large SUV
c. It would be equal 

Definition


Term
245. Again consider the small sports carand the large SUV that collided head on and stuck together with outh sliding, Which vehicle must have experience the larger deceleration durint the collision?
a. The Small sports car
b. the large SUV
c. It would be equal for both 

Definition


Term
246. An orbiting satelite is moved form 10,000 to 30,000 km for Earth. this will result ia what change in the gravitiational attration between Earth and the satelite.
a. Nonethe attraction is the seme
b. Onehalf as much
c. Onefourth as much
d. Oneninth as much 

Definition

