TN Ready Exit Questions

3/26/18 Layers of rock are exposed, as shown below. The fern fossil in Layer 3 was dated to be 32 million years old. What can be inferred about the shell fossils? A The organisms with the shells lived before the fern. B The organisms with the shells were more common than the other fossils. C The organisms with the shells lived around the same time as the organisms with the bones. D The organisms with the shells were more complex than the

3/27/18 Which illustration of two magnets correctly shows their magnetic fields? A. B. C. D.

What are two ways to make an electromagnet stronger?

3/29/18 Electromagnets A functioning electromagnet causes A the movement of electrons. B magnetic fields to become smaller. C electrons to change into protons. D nonmetal objects to become magnetic.

4/2/18 Exit Question(s) 1. Which is best used with a bar magnet to produce an electric current? metal coins b. silver pins c. paper clips d. wire coil 2. The construction of an electromagnet would be best completed by introducing a current into loops of wire wrapped around a. a sandstone rock b. a glass square. c. a plastic rod d. an iron nail. 3. Wire coils spinning between two magnets will produce a. cold b. electricity c. Steam d. chemicals.

4/3/18 Exit Question(s) 1. Which substance is classified as an element? NaCl B. CO C. H2O D. Li 2. Which option contains only compounds? A. H2O, H2O2 , H3O, CO2 B. Na, NaCl, Pb, C6H12O6 C. NH3 , KNO3 , Hg, Ne D. Au, Ni, Cu, Fe 3. An aquarium contains water, fish, a plant, and gravel. Which of these describes all matter inside the aquarium? a. All matter is in a liquid state b. All matter is in a solid state c. All matter is made of atoms d. All matter is made of cells.

4/4/18 Exit Question(s) 1. The diagram shows the structure of a water molecule. Each circle in the diagram represents a. a cell. b. an atom. c. a compound. d. a mixture. 2. Which statement best compares pure water and lemonade? a. Water and lemonade are both mixtures. b. Water and lemonade are both compounds. c. Water is a mixture, and lemonade is a compound. d. Water is a compound, and lemonade is a mixture.

4/5/18Exit Question(s) Kernels of popcorn are popping in a kettle. The movement of the kernels models the movement of molecules in which type of substance? A a cold substance B a gaseous substance C a solid substance D a jellylike substance

Which block has the greatest density? 4/6/18 Exit Question(s) Which block has the greatest density? A. B. C. D. Mass = 9 grams Volume = 9 cubic centimeters Mass = 12 grams Volume = 4 cubic centimeters Mass = 120 grams Volume = 12 cubic centimeters Mass = 30 grams Volume = 15 cubic centimeters