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8th Grade Final Review 2013B
Test Description: Part 2 of 3 covering Chemistry, physics, cell parts and genetics.
Instructions: Answer all questions to get your test result.
1) #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 lets everything in.
C
It is very ridge not allowing it to break.
D
It keeps everything out of the cell.
2) #12- Co-dominance heredity is when neither is more dominant over the other; an example is?
A
When none of the traits will ever be displayed in the offspring.
B
When both traits are expressed in the offspring equally
C
When one of the traits will be shown both are passed on to the offspring.
D
When either one will be shown but not both in the offspring.
3) #13- Meiosis is
A
How the organism turns a cell into a bigger cell.
B
How the organism dies.
C
How the organism produces sex cells for reproduction.
D
How the organism kills cancer cells.
4) #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 dominate.
B
Both alleles for feather color are recessive.
C
Several alleles work together to determine the trait.
D
The alleles for feather color are neither dominant or recessive.
5) #16- What are the order of steps for the scientific method?
A
Research, Analysis, Question, Experiment, Conclusion
B
Experiment, Question, Hypothisis, Analysis, Converse
C
Question, Research, Hypothesis, Experiment, Data analysis, Conclusion
D
Question, Experiment,Observations, Research,Conclude
6) #17- Why can scientific results be flawed sometimes?
A
temperture
B
Human error, not large enough sample group,impurities, uncontrolled varibles.
C
The chemicals messed up
D
Light waves
7) #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
For every action there is an equal and opposite reaction.
C
Motion is directly related to the amount of mass in relation to the amount of force acting on it.
D
The amount of force in relation to an object's mass.
8) #14- What two forces are part of Newton's first Law of Motion?
A
Weight and Mass
B
Newtons and Pull
C
Gravity and Inertia
D
Matter and Volume
9) #14- What is Newton's 2nd Law of Motion?
A
An object in motion stays in motion and an object at rest stays at rest unless acted upon by an unbalenced force.
B
The amount of force in relation to an object's mass.
C
For every action there is an equal and opposite reaction.
D
Motion is directly related to the amount of mass in relation to the amount of force acting on it.
10) #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
The amount of force in relation to an object's mass.
D
An object in motion stays in motion and an object at rest stays at rest unless acted upon by an unbalenced force.
*select an answer for all questions
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