1) Sawgrass takes in light energy during photosynthesis. What happens to most of this energy? a) It is stored as chemical energy. b) It disappears as it is used up by the plant. c) It is transferred to organisms that eat the grass. d) It is used to help the saw grass grow and reproduce. 2) Michael decides to bake bread one morning. He measures ingredients, mixes them other to make a dough, and cooks the dough in an oven. As the dough cooks, Michael observes the bread rising. Which of the following is evidence of the chemical change in Michael’s break-making process? a) Sugar dissolving in the liquid batter. b) The bread rising as carbon dioxide is released. c) Water in the dough being released as water vapor. d) The dry ingredients mixing with the wet ingredients. 3) Substances change states when they move between solid, liquid, and gas forms. When a substance changes from one state of matter to another, it has undergone a) A reduction in mass. b) An increase in mass. c) A chemical change. d) A physical change. 4) Barium sulfate, BaSO4, is a white crystalline solid that is insoluble in water. It is used by doctors to diagnose problems with the digestive system. How many oxygen atoms are present in one molecule of barium sulfate? a) 1 b) 3 c) 4 d) 0 5) Which statement best describes a galaxy? a) A cloud of gas that is the birthplace of stars b) A system of billions of stars, gas, and dust held together by gravity c) A ball of plasma that experiences nuclear fusion in its core d) A mass of dust and ice that orbits a star in an elliptical pattern 6) Researchers are investigating processes that happen during digestion. Which answer choice describes only a physical change during digestion? a) Hydrochloric acid in the stomach breaks down proteins. b) Chewing in the mouth breaks food into small pieces. c) Enzymes in saliva start the digestion of starches before food is swallowed. d) Bacteria in the intestines convert dietary fiber into fats. 7) In the diagram, which color represents an electron? a) black b) red c) blue 8) On a camping trip, Rachel and Samuel make s’mores. They break graham crackers in half, place chocolate bars on the crackers, and roast marshmallows over the fire. When they place the hot marshmallows onto the chocolate, the chocolate melts. Which of the following actions most directly represents a chemical change? a) Assembling the different ingredients to make the s’more b) Breaking the graham crackers into two pieces c) Roasting the marshmallows d) Melting the chocolate 9) Jose plans to use a microscope to observe a cell from a maple leaf and a snake’s skin. Which of the following will Jose most likely see present in both cells? a) cell wall b) chloroplast c) nucleus d) tissue
0%
Review Day 1
공유
공유
공유
만든이
Carolina547
더 보기
콘텐츠 편집
퍼가기
더보기
순위표
더 보기
접기
이 순위표는 현재 비공개입니다.
공유
를 클릭하여 공개할 수 있습니다.
자료 소유자가 이 순위표를 비활성화했습니다.
옵션이 자료 소유자와 다르기 때문에 이 순위표가 비활성화됩니다.
옵션 되돌리기
퀴즈
(은)는 개방형 템플릿입니다. 순위표에 올라가는 점수를 산출하지 않습니다.
로그인이 필요합니다
비주얼 스타일
글꼴
로그인이 필요합니다
옵션
템플릿 전환하기
모두 표시
액티비티를 플레이할 때 더 많은 포맷이 나타납니다.
자동 저장된
게임을 복구할까요?