Study Guide Answers

1.

0Zoology- study of animals0Botany- study of plants0Ecology- study of how organisms interact in their

environment0Anatomy- study of body structure0Microbiology- study of microscopic organisms

2.

0Problem/observation0Hypothesis0Experiment (2 groups: control, experimental)0Analyze data (graphs, charts, tables)0Conclusion

3.

0Grow/develop0Use energy (metabolism)0Reproduce0Have adapations0Evolve0Respond to stimuli0homeostasis

4.

0The independent variable is what changes during an experiment

0The dependent variable is what’s measured 0Control group does not receive any treatment, it is

used for comparison of the experimental groups

5.

0Wear goggles0Don’t horseplay0Waft when smelling liquids0Wear closed-toe shoes and appropriate clothing0Don’t clean broken glass, ask the teacher to do it0Pull hair back0Clean up when done0Don’t eat or drink in the lab

6.

0The smallest unit of matter

7.

0Protons have a positive charge and are located in the nucleus

0Neutrons have no charge and are located in the nucleus

0Electrons have a negative charge and are found in the electron cloud.

8.

0 Isotopes have a different number of neutrons than protons

9.

0 covalent bonds share electrons (ex. Water)

10.

0Has ions which are gained or lost during bonding (ions are electrons)

11.

0Covalent bonds are the strongest

12.

0The atomic number gives the number of protons

13.

0The atomic mass is the sum of protons and neutrons

14.

0Subtract the number of protons from the atomic mass

15.

0Atomic number= 20Electrons=20Neutrons= 20Atomic mass= 4.0020Protons=2

16.

0 carbon

17.

0Carbon0Hydrogen0Oxygen0nitrogen

18.

0Carbohydrates0Lipids0Proteins0Nucleic acids

19.

0Carbon, hydrogen, oxygen

20.

0Carbohydrates- provide energy0Lipids- store energy0Proteins- transport, support, speed up chemical

reactions0Nucleic acids- store genetic information; make

proteins

21.

0Carbohydrates= monosaccharides0Lipids- triglycerides0Proteins- amino acids0Nucleic acids- nucleotides

22.

0A smaller unit of a polymer

23.

0A large molecule composed of many small units called monomers

0Practice conversions