What does distinguish mean? What must you do with these properties? Labeled diagrams Frq 1 be used to supplement discussion, but unless specifically called for by the question, a diagram alone will not receive Frq 1.
The proctor will announce the beginning and end of the reading period. Directed distance is a positive, zero, or negative scalar quantity. Listen to what they say. The distance covered by a vehicle for example as recorded by an odometerperson, animal, or object along a curved path from a point A to a point B should be distinguished from the straight-line distance from A to B.
A directed distance is called displacement when it is the distance along a straight line minimum distance from A and B, and when A and B are positions occupied by the same particle at two different instants of time. In general the straight-line distance does not equal distance travelled, except for journeys in a straight line.
This implies motion of the particle. The free response questions on the AP Biology Test are going to tell you exactly what you need to write. You must explain or describe them Q.
Attributions are listed at the end. Take a look at a portion of a free response question from the AP Biology test. Begin each answer on a new page. The table below indicates the specifications for each question. It seems so obvious when you break it down like this.
However, you are advised to spend the first 10 minutes reading the questions and planning your responses. You must describe it. Directed distance[ edit ] Directed distances are distances with a directional sense. In this way, many different types of "distances" can be calculated, such as for traversal of graphs, comparison of distributions and curves, and using unusual definitions of "space" for example using a manifold or reflections.
For instance, the distance from the center of gravity of the Earth A and the center of gravity of the Moon B which does not strictly imply motion from A to B falls into this category. Do not skip lines.
Do NOT begin writing on the lined pages until the proctor tells you to do so. A directed distance along a curved line is not a vector and is represented by a segment of that curved line defined by endpoints A and B, with some specific information indicating the sense or direction of an ideal or real motion from one endpoint of the segment to the other see figure.
For instance, if a question calls for two examples, you can earn credit only for the first two examples that you provide. The distance traveled by a particle must always be greater than or equal to its displacement, with equality occurring only when the particle moves along a straight path.
The exam writers even bold key verbs and use all-caps to specify quantities. Displacement[ edit ] A displacement see above is a special kind of directed distance defined in mechanics.
They can be determined along straight lines and along curved lines. The good news is that a poor understanding of the question is easy to fix. It really bothers me when students miss points because they glossed over the details.
How many unique properties of human embryonic stem cells do you need to address?Clear Biology offers tips for answering AP Biology free response questions.
Review a list of Power Words to prepare for the AP Biology Test. What’s your thoughts on #5c? I don’t like that they give you the rate, but don’t say what substance it is the rate for. The rate of formation of the product is different than the rate of the disappearance of the reactant.
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Explore timing and format for the AP Human Geography Exam, and review sample questions, scoring guidelines, and sample student responses.
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