Physic 1 & 2
In science, an educated guess is a ?
A hypothesis
As an object freely falls downward, its
Velocity Increases
A scientific hypothesis may turn out to be right or it may turn out to be wrong. If it is a valid hypothesis, there must be a test for proving it
Wrong
The gain in speed each second for a freely-falling object is about
exactly below the midpoint of the ceiling
Whirl a rock at the end of a string on an ice-covered pond and it follows a circular path. If the string breaks, the tendency of the rock is to
follow a straight path
A scientific idea that is so well established that it cannot be questioned is
not possible
Of the sciences known as physics, chemistry, and biology, the most basic is
physic
The statement, "There are regions beneath the Earth's crust that will always be beyond the reach of scientific investigation" is a
speculation
The synthesis of a large collection of information that contains well-tested and verified hypotheses about certain aspects of the world is known as a scientific
A theory
A package falls off a truck that is moving at 30 m/s. Neglecting air resistance, the horizontal speed of the package just before it hits the ground is
about 30 m/s
In space and far from any star and planet, an astronaut throws a ball away from her into empty space as hard as she can. The ball will
continue in a straight line
A sheet of paper can be withdrawn from under a container of milk without toppling it if the paper is jerked quickly. This best demonstrates that
the milk carton has inertia