Review Questions

Vitti's Science Site

Review Questions

GENETICS:

1. What is the difference between heredity and genetics?

2. Who is Mendel? Who are Watson and Crick?

3. What are the functions of the following: (Nucleus, Cell membrane, Cell Wall, Ribosomes, Lysosomes, Vacuole, ER, Cytoplasm, Golgi Bodies, Chloroplasts, Mitochondria, centrioles)?

4. What is the difference between a gene and a trait?

5. What is the shape of DNA? What are the three parts of DNA? Which two make up the sides of the DNA ladder? Which bases go together (are complimentary)

6. What is the difference between genotype and phenotype?

7. What is the difference between heterozygous and homozygous?

8. How many chromosomes are in a healthy human?

9. What is an allele? What is a dominant allele? A recessive allele?

10. Use a punnett square to cross the following: (Remember Spongebob!)

Bb * Bb Gg * gg AA * aa

11. What is a karyotype? A pedigree? Amniocentesis?

12. What is a mutation? How is it related to adaptation?

13. What is the cause of down syndroms?

14. What is selective breeding? Genetic engineering? Cloning? Gene therapy?

15. How is DNA fingerprinting used to help aid crime fighters?

16. If two parents heterozygous for a recessive trait produce offspring, what percent of the offspring should have the trait?

17. Brown hair (B) is dominant to blond hair (b). If a homozygous dominant brown-haired male reproduces with a blond female, what percent of the offspring will have brown hair?

ELECTRICITY AND MAGNETISM

1. What is Electricity? What is voltage? What is resistance?

2. How is resistance measured (what units)?

3. What is the difference between a parallel circuit and a series cicuit?

4. What does a switch do? A potentiometer? A resistor?

5. What is the part of a lamp that glows when electricity runs throughout it?

6. What is the difference between a motor and a generator? How is energy transformed throughout them? How does a battery transform energy?

7. What are three fossil fuels? What is one advantage of each? One disadvantage?

8. What are three parts to an electromagnet? What can we do to increase the power of an electromagnet?

9. What are the two Great Truths about electricity?

10. What is a lightning rod? A circuit breaker? A fuse?

11. How does a short circuit work?

12. What is the diffeence between a gold-banded resistor and a silver one?

13. Name 6 alternative energy sources.

14. What is the formula for percent error?

15. What is the difference between the positive and negative terminals of a battery?

16. What is a diode? an LED? a capacitor?

1. What is the goal of science? What are three branches?

2. What are the 7 steps to the scientific method (in order)?

3. What is the difference between the manipulated and responding variable?

4. What is an experimental group? A control group?

5. What is an inference?

6. What needs to be included with a graph?

7. Can you draw a constant speed graph?

8. Know the celsius temperatures of boiling water, freezing water, body temperature and room temperature.

9. What is a gram? A meter? A liter?

10. Can you convert using metrics? (Kids Hate Doing G/M/L dumb Centi Meters)

11. What is displacement? Buoyancy? Capacity?

12. What is density? When will an object float in water?

1. How do we know something is in motion? (Reference point)

2. What is speed? Average speed?

3. What are three ways something could accelerate?

5. What is momentum? What is the formula? How can we increase momentum?

6. What is friction? Name three types

7. What are Newtons Three Laws?

8. What is the difference between weight and mass?

9. What is mechanical advantage?

10. What are six simple machines?

11. What is a compound machine?

12. What are three classes of lever? Can you name an example of each?

13. What is potential energy? Kinetic energy?

14. Who was Rube Goldberg? What was he famous for?

15. What is a pendulum? How can we manipulate a pendulum to increase/decrease the number of cycles it completes in 10 seconds?