Step 1 of the Scientific Method
Step 2 of the Scientific Method
Step 3 of the Scientific Method
predict consequences of hypothesis
Step 4 of the Scientific Method
perform experiment to test hypothesis
Step 5 of the Scientific Method
formulate general rule that organizes: hypothesis, prediction, experimental findings
The basic science; nature of basic things: motion, force, energy, heat, sound, light, atoms, matter
When the sun is partially eclipsed, what shape image would you expect to see?
If the full sun is out, what shape image would you expect to see?
the gathering of knowledge and organizing it
application of science
Published book that sun is stationary and that eath revolves around it
accurately compares masses anywhere; measures in centigrams
measures the mass of an object by comparing it to a standard mass
amount of matter in an object
The safest way to view the sun is with:
Science is a body of knowledge that:
is an ongoing activity for humans, describes order in nature, condenses knowledge into testable laws
The easties way to measure the distance between the earth and the moon is to place in your line of sight to the moon a:
The earth, like everything else illuminated by the sun, casts a shadow that..
tapers because of the huge size of the sun
Weight depends on location, mass does not.
true or false?
A spring Scale measures
weight and the force of gravity acting apon the object
A ____ can later be proven incorrect; but a ___ is not contradicted
another term for technology
how far is the sun from earth?
What is newtons first law?
if there is no force acting on an object, it will stay as it is
a push or pull
A force that acts on a system from outside the system
the vector sum of forces that act on an object
an upward force opposite to the force of gravity
the force of attraction between all masses in the universe
force that acts to resist the relative motion of objects or materials that are in contact
dropped objects of various weights from the Tower of Pisa to compare their falls; they hit ground at same time
state of no change
terminal speed together with the direction of motion, no more acceleration
whirl a rock at the end of a string on an ice- covered pond and it follows circular path. If the string breaks, the tendency of the rock is to..
follow a straight path
When a rocket ship accelerating in outer space runs out of fuel it..
If your automobile runs out of fuel while driving the engine stops but you do not come to an abrupt stop. The concept that explains why is..
if you push a crate with a force of 100 N and it slides at a constant velocity, how much friction is acting on the crate?
A monkey hangs stationary from a vertical vine. What two forces act on the monkey?
tension and gravity
If no external forces are acting on an object, it will...
continue moving at the same velocity
The closer two objects are to each other..
the greater the force of gravity between them
A book lies on a table. What force acts on the book?
gravity and normal force
one of the first people to study physics; divided motion into natural and violent
Tension on a rope is _____the length of the rope.
change in velocity
the time of travel
speed at any particular instant
the speed of an object and a specification of its direction of motion
motion only under the influence of gravity
has magnitude and direction
only has magnitude
how fast something moves
if an object moves with constant acceleration, the its velocity must always ___.
When a rock thrown straight upwards gets to the exact top of its path___.
its velocity is zero and its acceleration is zero
One half second after starting from rest, a freely-falling object will have a speed of
acceleration is the rate of change of___
the two measurements necessary for calculating average speed are____.
distance and time
While an object near the earth's surface is in free fall, its ___ increases.
Who is credited with being the first to measure speed?
Objects that appear at rest are moving because motion is relative. true or false?
newton's 2nd law
The cause for acceleration is___.
A kilogram is a measure of an object's___.
A newton is a unit of ____.
Force is a vector quantity because it has both ___ and ____.
magnitude and direction