Physics, 17.07.2019 02:30 AllyChance2564
Physical science lesson 4 unit 2 questions, i need the answers 1. flammability is a material's ability to burn in the presence a. hydrogen. b. nitrogen. c. oxygen. d. carbon dioxide. 2. which of the following is not a clue that a chemical change has occurred? a. change in color b. production of gas c. formation of a precipitate d. change in shape 3.which of the following is a chemical change? a. ice melting b. ice being carved c. water boiling d. water breaking down into hydrogen and oxygen 4. which of the following not a pure substance a. milk b. oxygen c. water d. carbon dioxide 5. matter that has a definite volume but no definite shape is a. liquid b. solid c. gas d. plasma 6. forces of attraction limit the motion of particles most a. a solid b. a liquid c. a gas d. both b and c (fill in the blanks) 7.a( change occurs when a material changes shape or size but the composition of the material does not change. 8. can be observed only when the substances in a sample of matter are changing into different substances. 9. materials can be classified as solids, liquids, or gases based whether their shapes definite or variable. 10. of matter states that all particles of matter are in constant motion. in advance (also it took forever to type all the
Answers: 2
Physics, 22.06.2019 07:40
Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?
Answers: 3
Physics, 22.06.2019 12:20
Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?
Answers: 2
Physics, 22.06.2019 15:30
What are the north and south poles of a solenoid change with?
Answers: 1
Physical science lesson 4 unit 2 questions, i need the answers 1. flammability is a material's abil...
Computers and Technology, 23.07.2020 01:01
Social Studies, 23.07.2020 01:01
History, 23.07.2020 01:01
Mathematics, 23.07.2020 01:01
World Languages, 23.07.2020 01:01
Mathematics, 23.07.2020 01:01