1. $100 B - Constant A - Variable C – Control Group D - Changeable A. Variable Anything that can change in an experiment is a

2. $200 The __________ group does not get the independent variable ? B - Constant A - Experimental C – Control Group D -Independent C. Control Group

3. $500 B – Dependent Variable A – Independent Variable C - Hypothesis D - Question Adam and Jamie (from Mythbusters) would like rain or walking in the rain. This would be a

4. $1,000 After completing some research, Adam and Jamie decide that running in the rain allows you to stay dryer than walking in the rain. This is an example o B - Question A - Hypothesis C – Independent Variable D – Dependent Variable A - Hypothesis

5. $100 Which of the following is a carbohydrate? B –C5H12O6 A – C6H12O6 C – C8H18 D – C3H4O10 A. – C6H12O6

6. $500 Isotopes have the same number of__________ but different numberts of ____________. B – electrons, neutrons A – protons, electrons C – protons, neutrons D – neutrons, protons C. –protons, neutrons

7. $200 In order for an atom to have a neutral charage, the number of protons must be _______than the number of electrons B – greater than A – none of the above C – lesser than D – equal toD. – equal to

8. $32,000 Which statement describes why water moves from the roots to leaves of plants? B – surface tension A – pushed up by solutes in roots C – capillary action D - cohesion C – capillary action

9. $1,000 Based on your knowledge of the polarity of water molecules, the solute molecule is most likely B – negitvely charged A – positively charged C – without charge D - hyrophobic A – positively charged

10. $2,000 A solution with a pH of 11 is B - alkaline A - neutral C - acidic D – a buffer B. – alkaline

11. $2,000 A and B are examples of B – amino acids A - polypeptides C - polymers D – monosaccarides B. – amino acids

12. $100 In order to make an atom positive, the atom must B –lose protons A – lose electrons C – gain electrons D – gain protons A. – lose electrons

13. $4,000 A water molecule is polar because its hydrogen and oxygen atoms B – both lose electrons A – do not share electrons equally C – become ions D – both gain electrons A. – do not share electrons equally

14. $64,000 This is a B - carb A - lipid C - protein D – nucleic acid A - lipid

15. $125,000 Fat is to lipid as B – Amino acid is to protein A – DNA is to RNA C – carb is to sugar D – Nucleus is to cell B – Amino acid is to protein

16. $250,000 Which is NOT a function of proteins? B – help fight disease A – store and transmit genetic info C – move substanes in & out cell D – control rate of reaction A – store and transmit genetic info

17. $500,000 Which is not true about enzymes? B – they work best at specified pH A – the shape allows it to do right job C – enzymes are proteins D – All enzymes have the same Shape as substrate D – All enzymes have the same Shape as substrate

18. $1,000,000 Which is true about catalyst B – all catalyst are enzymes A – slow down reaction rate C – lower activation energy D – catalyst are used up in reaction C – lower activation energy

19. $1,000,000 The lowest level of environmental complexity that includes living and nonlivng factors is a B – biome A – ecosystem C – biosphere D – community A – ecosystem

20. $1,000,000 Plants are B – producers A – consumers C – herbivores D – omnivores B – producers

21. $1,000,000 How do most primary producers make their own food? B – changing water into CO2 A – chemical energy to make carbs C – breaking down remains of CO2 D –light energy to make carbs

22. $1,000,000 What is an ecological model of the relationships from a network of complex feeding interactions amoung organisms in a community from producers to decomposers? B – Food chain A – Food web C – ecosystem D – Population A – Food web

23. $1,000,000 Each of the following is an abiotic factor except B – rainfall A – temperature C –soil type D – Plant life

24. $1,000,000 What is the term fro each step in the transfer of energy and matter within a food web? B – trophic level A – biomass C –food pyrimid D – energy path B – trophic level