17 B) adapt to their environment C) attract a mate D) search for food A duck’s feathers are covered with a natural oil that keeps the duck dry. This is a special feature ducks have that helps themA) feed their youngB) adapt to their environmentC) attract a mateD) search for food
25 A) go through a life cycle B) form a food web Frogs lay eggs that develop into tadpoles and then into adult frogs. This sequence of changes is an example of how living thingsA) go through a life cycleB) form a food webC) act as a source of foodD) affect other parts of the ecosystem
27 A) smell B) taste C) sight D) sound A mother hen clucks loudly when danger is near and her chicks quickly gather around her. Which sense helps the chicks receive this warning about danger from their mother?A) smellB) tasteC) sightD) sound
29 C) ability to reflect light D) ability to conduct electricity A student reaches one hand into a bag filled with smooth objects. The student feels the objects but does not look into the bag. Which property of the objects can the student most likely identify?A) shapeB) colorC) ability to reflect lightD) ability to conduct electricity
33 A) heat energy can be transferred from one object to another A girl signals her friend by shining a flashlight on a mirror. Her friend can see the signal becauseA) heat energy can be transferred from one object to anotherB) mechanical energy can be transferred from one object to anotherC) sound energy can be reflected from one object to anotherD) light energy can be reflected from one object to another
41 A) The Sun rises in the west and sets in the east. Which statement describes the general path the Sun takes as it appears to move across the sky for an observer in New York State?A) The Sun rises in the west and sets in the east.B) The Sun rises in the east and sets in the west.C) The Sun rises in the north and sets in the south.D) The Sun rises in the south and sets in the north.
45 A) sand particles B) decomposing leaves C) small pebbles A soil sample contains living and nonliving materials. Which material was once living?A) sand particlesB) decomposing leavesC) small pebblesD) water droplets
47 A) liquid to solid B) solid to liquid C) gas to liquid Water is boiled in a pan on a stove. The state of matter of the water changes fromA) liquid to solidB) solid to liquidC) gas to liquidD) liquid to gas
51 Electricity traveling through a wire is an example of A) a force applied by a simple machineB) energy flowing through the water cycleC) Earth’s gravitational pull on an objectD) energy being transferred from place to place
73 A) a squirrel climbing a tree B) a rabbit feeding its young Which behavior is an example of an animal adapting to a change in the environment?A) a squirrel climbing a treeB) a rabbit feeding its youngC) a frog eating an insectD) a bird migrating south
77 D) a shortage of drinking water A dog opens it mouth and lets its tongue hang out. A human’s body produces sweat. These are two ways that organisms may adjust toA) cold temperaturesB) hot temperaturesC) a shortage of foodD) a shortage of drinking water
87 A) magnetism B) sound C) light D) friction A car skids along the road and smoke appears to be coming from under the tires. The heat that produces the smoke is caused byA) magnetismB) soundC) lightD) friction
105 A) a graduated cylinder B) pan balance C) ruler D) thermometer Which instrument should a student use to measure exactly 10 milliliters (mL) of water?A) a graduated cylinderB) pan balanceC) rulerD) thermometer
111 A) different plants have different life spans Apple trees can live for many years, but bean plants usually live for only a few months. This statement suggests thatA) different plants have different life spansB) plants depend on other plantsC) plants produce many offspringD) season changes help plants grow
145 During winter, the white fur of an arctic fox blends in with the snow During winter, the white fur of an arctic fox blends in with the snow. This adaptation is calledA) hibernationB) migrationC) camouflageD) movement
187 The leaves of a tree change color in the fall The leaves of a tree change color in the fall. This is an example of a treeA) completing its life cycleB) preparing for migrationC) responding to its environmentD) beginning hibernation
191 Which statement is an example of how humans have changed the natural environment? A) Wind and rain destroy wheat plants.B) The Sun’s energy helps a wheat plan growC) A forest is cleared to make space to grow wheat.D) A wheat plant’s seeds are scattered by the wind.
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