8th Grade Final Review 2013B Question Preview (ID: 14881)


Part 2 Of 3 Covering Chemistry, Physics, Cell Parts And Genetics. TEACHERS: click here for quick copy question ID numbers.

#11- A cell membrane is like a window screen because
a) It allows the material it needs through and keeps out what it doesn't need.
b) It is very ridge not allowing it to break.
c) It lets everything in.
d) It keeps everything out of the cell.

#12- Co-dominance heredity is when neither is more dominant over the other; an example is?
a) When both traits are expressed in the offspring equally
b) When either one will be shown but not both in the offspring.
c) When one of the traits will be shown both are passed on to the offspring.
d) When none of the traits will ever be displayed in the offspring.

#13- Meiosis is
a) How the organism produces sex cells for reproduction.
b) How the organism dies.
c) How the organism turns a cell into a bigger cell.
d) How the organism kills cancer cells.

#25- A purbred chicken w/white feathers is crossed with a purebred black feathered chicken. Each of the offspring has both black white feathers why?
a) Both alleles for feather color are recessive.
b) The alleles for feather color are neither dominant or recessive.
c) Several alleles work together to determine the trait.
d) Both alleles for feather color are dominate.

#16- What are the order of steps for the scientific method?
a) Question, Research, Hypothesis, Experiment, Data analysis, Conclusion
b) Question, Experiment,Observations, Research,Conclude
c) Experiment, Question, Hypothisis, Analysis, Converse
d) Research, Analysis, Question, Experiment, Conclusion

#17- Why can scientific results be flawed sometimes?
a) Human error, not large enough sample group,impurities, uncontrolled varibles.
b) The chemicals messed up
c) temperture
d) Light waves

#14 - Newton's first Law of Motion is
a) An object in motion stays in motion and an object at rest stays at rest unless acted upon by an unbalenced force.
b) Motion is directly related to the amount of mass in relation to the amount of force acting on it.
c) For every action there is an equal and opposite reaction.
d) The amount of force in relation to an object's mass.

#14- What two forces are part of Newton's first Law of Motion?
a) Gravity and Inertia
b) Newtons and Pull
c) Weight and Mass
d) Matter and Volume

#14- What is Newton's 2nd Law of Motion?
a) Motion is directly related to the amount of mass in relation to the amount of force acting on it.
b) An object in motion stays in motion and an object at rest stays at rest unless acted upon by an unbalenced force.
c) For every action there is an equal and opposite reaction.
d) The amount of force in relation to an object's mass.

#14-What is Newton's 3rd Law of Motion?
a) For every action there is an equal and opposite reaction.
b) Motion is directly related to the amount of mass in relation to the amount of force acting on it.
c) An object in motion stays in motion and an object at rest stays at rest unless acted upon by an unbalenced force.
d) The amount of force in relation to an object's mass.

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