Study Guide for Science Section 1 Which of these is a form of energy? A) B) C) D) Atoms Air Heat Snails Which of these is matter? A) B) C) D) Rocks Sunlight Heat Nuclear power Which two elements make up most of your body? A) B) C) D) Chlorine and magnesium Sulfur and gold Oxygen and carbon Calcium and silver Water is a/an _________________. A) B) C) D) Element Compound Enzyme Lipid When two or more substances mix evenly, they form a _______________. A) B) C) D) Vesicle Chloroplast Producer Solution Which of there is an inorganic compound? A) Sugars B) Hydrochloric acid C) Fats D) Phospholipids Which of these is an organic compound? A) B) C) D) Lipids Water Calcium phosphate Potassium chloride Genetic material is found in which organic compound? A) B) C) D) Nucleic acid Sodium bicarbonate Proteins Carbohydrates _______________ is the most important inorganic compound for organisms. A) B) C) D) A lipid A carbohydrate Sodium bicarbonate Water At least 60 percent of a human’s body weight consists of water. About how many pounds of water does a 140 pound person’s body have? A) B) C) D) 48 140 84 840 Where is most of your body’s water located? A) B) C) D) Outside body cells Within body cells In the brain Around the heart Section 2 Which of these is an example of passive transport? A) B) C) D) Endocytosis RNA Osmosis Ions ________________ allows some things to enter and leave cells, while keeping other things in the cell or keeping other things out of the cell. A) B) C) D) Osmosis Metabolism A selectively permeable membrane Fermentation What stops the process of diffusion in cells? A) B) C) D) Vesicles Equilibrium Respiration Elements What is the transport and storage structure in a cell’s cytoplasm? A) B) C) D) Nucleus Inorganic compounds Cell membrane Vesicles Which process happens when vesicles release their contents outside the cell? A) B) C) D) Photosynthesis Passive transport Chemical reactions Exocytosis Some one-celled organisms take in food through _____________. A) B) C) D) Enzymes Endocytosis Lipids Mitosis Section 3 You use a washing machine to get dirt off of your clothes. The machine is like ______________ in cells. A) B) C) D) Proteins Enzymes Glucose Carbon Metabolism is the total of all _______________ in an organism. A) B) C) D) Chemical reactions Organic compounds Ions Fats Plants make food through ________________. A) B) C) D) Osmosis Atoms Photosynthesis Nitrogen Why are plants green? A) B) C) D) They contain marrow. They contain chlorophyll. The contain juice. They contain pollen. Which of these processes releases energy? A) B) C) D) Diffusion Fermentation Exocytosis Respiration Which of these is a waste product of fermentation? A) DNA B) Water C) Carbohydrates D) Lactic acid What is produced as a result of respiration? A) B) C) D) Sugars and oxygen Carbon dioxide and water Phosphorous and starch Hydrochloric acid and sodium Organisms that cannot make their own food are called __________________. A) B) C) D) Mixtures Consumers Suspensions Nucleic acids Essays: Explain the process of passive transport, diffusion, and osmosis. ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ Compare and contrast photosynthesis and respiration. ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ Good Luck Studying!!!!! –Georgia Kuehn