5.1 Classification Keys Exit Ticket 1. A classification key and a diagram of an organism are shown below.

The organism shown on the right belongs to what kingdom?A. Eubacteria B. Protista C. Plantae D. Animalia

2. A picture of an organism and classification key are shown below.

Using the classification key above, identify the class of the organism.A. Class Aves C. Class ChondrichthyesB. Class Reptilia D. Class Mammalia

3. A student examines the winged insect shown below.

Based on the dichotomous key, in what order should this insect be classified?

A. Mantodea B. Raphidioptera C. Coleoptera D. Lepidoptera

5.2 Adaptations Exit Ticket

1. The most available food source for birds on an island is hard-shelled nuts. Which birds have beaks designed to best survive on a diet of hard-shelled nuts?

2. The organism in the photo is a daphnia, or water flea. Daphnia are tiny aquatic organisms that live in most freshwater habitats. Adults range from less than 1 to 5 mm in length. They are good swimmers and eat mostly algae. Daphnia become mature at 5 to 10 days, and an adult female can produce up to 100 eggs every 3 or 4 days during its 2-month life span. When harmful algae rapidly increase in the daphnia’s environment, daphnia can develop adaptations to tolerate the negative effects of the algae within 10 years.

What characteristic of the daphnia allows the population to adapt to environmental change?A. Its small size C. Its freshwater environment.B. Its short generation time D. Its herbivorous diet.

3. When Charles Darwin visited the Galápagos Islands in the 1800s, he observed many types of organisms that were similar but lived on different islands. The four species of mockingbirds found on the Galápagos Islands are shown below. Each species lives on a different island.

These species are very similar, but the Hood mockingbird has a longer beak than the other three species. Which of the following best explains this difference?

A. The Hood mockingbird needs a longer beak for defense against predators. B. The Hood mockingbird originated from a different type of bird than the other

species. C. The Hood mockingbird’s longer beak is an adaptation to the food available in

the bird’s habitat. D. The Hood mockingbird’s beak stretched to reach its food, and the longer beak

was passed down to its offspring.

4. The diagram shows two variations of the same species of peppered moth resting on a tree. Originally, most peppered moths were light-colored and blended in with the light-colored bark of the trees in their environment. Due to pollution during the

Industrial Revolution, the trees became blackened by soot. As a result, the population of light-colored moths decreased, due to predators. At the same time, the population of dark-colored moths increased, because they were less visible to predators.

Which adaptation protected the dark-colored moths from predators? A. breeding C. camouflageB. migration D. hibernation

5. The table lists some adaptations of four birds.

According to the table, which bird is best adapted to a marsh habitat? A. Bird 1 B. Bird 2 C. Bird 3 D. Bird 4

5.3 Variation in Populations Exit Ticket

1. The table below shows four different populations of bacteria and the percentage of each that is resistant to different antibiotics.

Which population of bacteria would have the greatest number of survivors if treated with Antibiotic S?A. 1 B. 2 C. 3 D. 4

2. Which of the following is most likely to cause a change in the genetic traits in an isolated population of a ground-dwelling lizard species? A. The exposure of an individual lizard in the population to radiation that causes a

mutation that is not passed on to its offspring B. An unusually dry summer in the lizard population’s ecosystem C. The introduction of an invasive predator that preys on the brightest-colored

individuals in the lizard population D. A fast-moving wildfire that burns the canopy of the trees in the lizard

population’s ecosystem

5.5 Relative Age of Fossils

1. The diagram below shows layers of sedimentary rock and the types of fossils found in each layer.

A. Layer 1 B. Layer 2 C. Layer 3 D. Layer 4

2. The diagram below shows layers of sedimentary rocks with fossils.

What can scientists determine from the diagram? A. the exact ages of the fossils B. the reasons for extinctions of organisms C. the relative ages of fossils D. the reasons for deaths of the organisms3. The diagram shows layers of rock that contain fossils

Which fossils are most likely similar in age? A. 1 and 2 B. 2 and 3 C. 4 and 5 D. 4 and 6

4. 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 other fossils.

9.1 Atoms Exit Ticket

1. Four students were asked to name the parts of an atom that determine the atom’s identity and chemical properties. The students’ responses are shown in the table below.

Which student’s responses are correct?A. Student 1 B. Student 2 C. Student 3 D. Student 4

2. Which represents the smallest part of an element that retains all the properties of that element? A. molecule B. atom C. nucleus D. proton

3. An atom of a certain element has 36 protons, 36 electrons, and a mass number of 84. At room temperature this element is a very stable gas. How many neutrons are in this atom?A. 36 B. 84 C. 72 D. 48

4. In the early 1900s many scientists thought that an atom consisted of a positive substance with negative charges scattered throughout the substance. Then Ernest Rutherford completed an experiment that changed the concept of an atom. His discovery led to the understanding that an atom consists mostly of empty space with…A. protons orbiting a dense nucleus made of electrons and neutrons B. electrons orbiting a dense nucleus made of protons and neutrons C. neutrons and protons orbiting a cloud of electrons D. electrons and protons orbiting a cloud of neutrons

5. A model of a beryllium atom is shown below.

What types of particles are found in the cloud surrounding the atom’s nucleus?A. Positively charged particles and negatively charged particles B. Negatively charged particles only C. Neutral particles and positively charged particles D. Positively charged particles only

6. A teacher gives a student an unidentified liquid in a beaker. Which statement can the student correctly make about the liquid without knowing any of its specific properties?A. It is made up of atoms. B. It is a compound. C. It is a good electrical conductor. D. It is a nonmetal.

9.2 Chemical Change Outcomes Exit Ticket

1. A student listed how different parts of the body work to aid in the digestion of food.

Which of the following is a chemical change that occurs to the food? A. The reduction in size of food particles as food is chewed B. The movement of food to the stomach after food is swallowed C. The breakdown of molecules of food by enzymes and acid in the stomach D. None of the above

2. A silver ring reacts with compounds containing sulfur in the air to form silver sulfide, a black substance that makes up the tarnish on the surface of silver objects. To remove the tarnish from the ring, students placed it in a pan lined with aluminum foil and added hot water. Baking soda was added to the hot water and stirred. Students made observations about the process. Which observation of this process provides evidence of a chemical reaction?A. Hot water heated the aluminum foil. B. The liquid solution changed color. C. The pan was lined with aluminum foil. D. The hot water cooled.

3. A student obtains two strips of magnesium, Mg, ribbon that are each 3 cm long. One strip of magnesium is placed in a test tube containing 5 mL of water, and the other strip is placed in a test tube containing 5 mL of hydrochloric acid, HCl. Both

liquids are at room temperature. The student’s observations are recorded in the table.

Which statement is not supported by the student’s observations?A. A chemical reaction takes place between magnesium and hydrochloric acid. B. A gas is released in Test Tube 2. C. The substances in both test tubes are reactive only at high temperatures. D. Energy is released in the reaction involving hydrochloric acid.

4. After time, a copper penny will turn a green color and have a higher mass due to a chemical process. Which is the most likely reason for the changes to the copper penny?A. Dirt is clinging to the copper penny. B. The copper penny was painted. C. Metal in the copper penny oxidizes. D. The copper penny absorbed water

5. Nitrogen dioxide is a gas that can be generated by emissions from vehicles and factories. It can also be generated by natural sources, such as forest fires, lightning, and microbial activity in soil. The equation for producing nitrogen dioxide is shown below.

Which of these provides evidence that a chemical reaction occurs?A. A gas is present. B. The total number of atoms remains unchanged. C. The state of matter remains the same. D. A brown gas is produced.

6. For an investigation a student poured a blue solution of CuSO4 into a beaker. The student placed a shiny, silver-colored strip of zinc metal in the solution and observed the changes.

The student inferred that a chemical reaction occurred. What evidence supports this inference?A. A dark solid formed on the zinc metal. B. The zinc metal remained silver-colored and shiny. C. The CuSO4 solution turned blue when the zinc metal was added. D. None of these

9.7 Density Exit Ticket1. A manufacturer selected a metal to use in producing a lightweight button for clothing. A metal that has a density of 2.71 g/cm3 was selected.

Which of the metals was selected?A. Metal 1 B. Metal 2 C. Metal 3 D. Metal 4

3. The formula for density is shown below.

A substance has a mass of 12 grams and a volume of 6.0 cubic centimeters. What is the density of the substance?A. 0.5 gram/cubic centimeter B. 2.0 grams/cubic centimeter C. 8 grams/cubic centimeter D. 72 grams/cubic centimeter

4. For an investigation a student records data about four unknown substances.

The student then calculates the densities of the unknown substances and compares them with the table of densities of known substances shown below.

Which unknown substance is most likely carbon?A. Substance 1 B. Substance 2 C. Substance 3 D. Substance 4

5. The air, wood, and liquids in the container below have different densities.

What is most likely the density of the wood? A. 0.001 g/cm3 C. 0.95 g/cm3 B. 0.70 g/cm3 D. 1.10 g/cm3

9.8 Physical and Chemical Changes Exit Ticket

1. A teacher put five grams of each of the four different substances into individual test tubes and then heated each test tube over a flame. The teacher asked the students to note the appearance of each substance after heating. The results were as follows:

According to the data, which substance underwent a physical change?A. Potassium permanganate C. Zinc oxideB. Copper carbonate D. Sulfur

2. The list below describes both chemical and physical changes in matter.

In which two examples did a chemical change take place?A. 1 and 2 C. 2 and 3B. 1 and 3 D. 3 and 4

3. A student was studying physical and chemical changes. The student performed a two-step process and recorded the results of the steps in the chart.

Based on the information in the chart, how should the student classify the actions of the steps? A. Step 1 and Step 2 were both chemical changes. B. Step 1 and Step 2 were both physical changes. C. Step 1 was a chemical change, and Step 2 was a physical change. D. Step 1 was a physical change, and Step 2 was a chemical change.

4. Students in a science lab heated a liquid and then allowed the liquid to cool. They recorded their observations about how the liquid changed in the chart.

Which of these best describes the changes that happened when the liquid was heated and then cooled? A. The changes were physical because the liquid remained the same substance. B. The changes were chemical because the state of matter stayed the same. C. The changes were physical because the liquid remained colorless and clear. D. The changes were chemical because the temperature increased and decreased.

9.9 Periodic Table Exit Ticket

1. Students were asked to identify the location of elements in the periodic table based on clues printed on game cards.

Based on the data, which periodic table shows the correct location of the four elements?

A. C.

B. D.

2. A chemist made the table below to record some atomic properties of four elements.

Based on the information in the table, which conclusion about the chemical reactivity of these elements is valid? A. Boron is the most reactive because it has the most protons. B. Fluorine is the most reactive because it has 7 electrons in the outer shell. C. Silicon is the most reactive because it has an equal number of protons and

neutrons. D. Gallium is the most reactive because it has many more neutrons than protons.

3. Which pair of properties describes the elements in Group 18?A. They are chemically stable and liquid at room temperature. B. They have eight valence electrons and are flammable. C. They are magnetic and boil at low temperatures. D. They are gaseous at room temperature and chemically stable.

4. Element R and Element Q have the same number of valence electrons. These elements both have similar chemical behavior, but Element R has fewer energy levels than Element Q.

Which statement best describes the positions of the two elements in the periodic table? A. The two elements are in the same period, with Element R the first element in

the period and Element Q the last element. B. The two elements are side by side in the same period, with Element Q to the

left of Element R. C. The two elements are in the same group, with Element R just above Element Q. D. The two elements are in the same group, with Element Q at the top of the

group and Element R at the bottom.

5. The diagram below shows the periodic table.

Which shaded element will chemically combine most easily with hydrogen (H)?

A. fluorine (F) B. sulfur (S) C. krypton (Kr) D. tin (Sn)

6. Students in a science class prepared flash cards so that they could quiz one another about the arrangement of the periodic table. One of the flash cards contained information about two elements, Element L and Element M.

The students had to use the information on the flash card to determine possible positions of the two elements on a blank periodic table. Which periodic table has the elements placed in locations that match the information on the flash card?

A.

B.

C.

D.

7. A student is studying the ways different elements are similar to one another. Diagrams of atoms from four different elements are shown below.

Which two atoms are of elements in the same group in the periodic table? A. Atom 1 and Atom 2 B. Atom 1 and Atom 4 C. tom 2 and Atom 3 D. Atom 3 and Atom 4

9.10 Reactants and Products Exit Ticket1. A table of chemical equations is shown below

Which is a reactant in one of the equations?A NaNO3 B CO2 C PbO2 D NaBr

2. The equation below represents a chemical reaction that occurs in living cells

How many atoms are represented in the reactants of this equation?A. 6 B. 12 C. 24 D. 36

9.11 Law of Conservation of Mass Exit Ticket 1. The table lists some compounds found in foods and their formulas.

Based on this information, which of these statements is NOT true? A. A molecule of sorbitol contains three more oxygen atoms than a molecule of

glutamine does. B. A molecule of lactose contains twice as many atoms as a molecule of fructose

does. C. A molecule of fructose contains four more atoms than a molecule of glutamine

does. D. A molecule of lactose contains twice as many carbon atoms as a molecule of

sorbitol does.

2. A student is using colored beads to make a model of aluminum sulfate, Al2 (SO4)3 . Aluminum atoms are represented by blue beads, sulfur atoms by yellow beads, and oxygen atoms by green beads.

What combination of beads should the student use for the model?A. 6 blue, 3 yellow, and 7 green B. 2 blue, 1 yellow, and 4 green C. 2 blue, 3 yellow, and 12 green D. 6 blue, 12 yellow, and 12 green

6. A chemical equation is shown below.

The mass of 2Fe2O3 produced must be equal toA. the total mass of 4Fe and 3O2. B. twice the total mass of 4Fe and 3O2. C. one-half the mass of 4Fe and 3O2. D. the mass of 4Fe less the mass of 3O2.

7. The table shows the chemical formulas for four substances.

Which substances have the same number of carbon atoms?A. Substances 1 and 2 B. Substances 2, 3, and 4 C. Substances 2 and 3 only D. Substances 1 and 3

12.6 Celestial Motion Exit Ticket

1. The diagram below models Mercury and Venus orbiting the sun.

What force causes Venus to travel along a curved path instead of moving in a straight line as indicated by the dashed line in the diagram?

A. Electromagnetic attraction between the sun and Venus B. Gravitational attraction between the sun and Venus C. Electromagnetic attraction between Mercury and Venus D. Gravitational attraction between Mercury and Venus

2. Why does the Sun generally appear to rise in the east, move across the sky, and set in the west each day?

A. Earth rotates on its axis. C. The Sun rotates on its axis.B. Earth revolves around the Sun. D. The Sun revolves around Earth

5. Which of these best describes the effect the sun’s gravity has on the movement of planets in the solar system?A. It determines the direction in which planets rotate on their axes. B. It gives the initial push that makes planets revolve around the sun. C. It holds planets in a particular orbit around the sun. D. t pulls some planets closer to each other and pushes others farther away

6. The existence of the planet Neptune was mathematically predicted before it was directly observed through a telescope in 1846. The prediction was based on the fact that the observed orbital path of Uranus was different from its expected path. Which characteristic of a planet would most directly affect the orbits of nearby objects in the solar system?A. its density C. its magnetic fieldB. its volume D. its gravitational field