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1 Clearing a forest to build a shopping mall will most likely result in woodpeckers — A nesting on roofs B losing habitat C laying more eggs D flying slower
2 In a model of our solar system, a tennis ball is used to represent Earth. A marble would be a good representation of Mercury in this model because compared to Earth, Mercury is — F brighter G lighter H smaller J more solid
3 The chart shows data collected when potted plants were placed in sunlight for different lengths of time. Which conclusion is best supported by the data? A The plants that received 4 hours of sunlight a day had the most leaves. B The plants given less than 6 hours of sunlight a day had the thickest stems. C The plants that received 8 hours of sunlight a day grew the most. D The plants given more than 10 hours of sunlight a day wilted.
4 On a warm day water was accidentally spilled onto a metal tabletop. Later in the day, the water was gone. The most likely explanation is that someone wiped the water up or that — F germs drank the water G the table absorbed the water H all the water spilled onto the floor J the water evaporated into the air
5 Which basic need do groundhogs meet by digging tunnels in meadow soil? A Water B Shelter C Light D Air
6 Matter can undergo changes. When water boils, a — F liquid becomes a solid G solid becomes a liquid H liquid becomes a gas J gas becomes a solid
7 Making imprints of objects in clay is most useful for learning about — A weathering B fossils C renewable resources D the rock cycle
8 Which of these would best complete this food chain? F Hawks G Grapes H Toads J Mice
9 Earthworm B is how many centimeters longer than Earthworm A? A 1.5 cm B 2.0 cm C 3.0 cm D 5.5 cm
10 According to this information, what kind of weather is related to low air pressure? F Sunny G Fair H Rainy J Mild
Use the information below and your knowledge of science to help you answer questions 11-13.
Texas has more than 5,000 kilometers of shoreline along the Gulf of Mexico. Many families are able to visit the coast to have fun or just to relax. Many people have jobs and homes on or near the coast.11 As seagulls fly over the water, they sometimes dive into the water to catch prey. Which of these senses is useful to seagulls that feed in this manner? A Sight B Smell C Hearing D Touch
12 The energy that causes seawater to form water vapor comes from — F the clouds G underwater mountains H chemical reactions in the sea J the sun
13 The picture shows a bottle of the sunscreen FSC. Which of these statements indicates how well this product helps prevent skin damage? A Great for all outdoor activities B Contains the finest ingredients C Sun protection factor (SPF) 30 D Money-back guarantee
14 The surface of the sun is made of — F gases G solids H liquids J energy
15 This table shows the movement of a snail over an 8-hour period. If the snail traveled at the same pace the entire time, how far did it travel in 6 hours? A 130 cm B 135 cm C 140 cm D 145 cm
16 Blowing through a pipe can produce a sound because the — F air in the pipe vibrates G pipe speeds up the air H pipe cools the air J air is absorbed by the pipe
17 Which of these is an example of a learned behavior?
18 Which force is most responsible for raindrops falling to Earth? F Friction G Wind H Thrust J Gravity
19 In order for tomato plants to make their own food, their leaves must absorb — A rain B sunlight C oxygen D minerals
20 The picture shows different points along a toy rocket’s path after it blasted off. How much height did the rocket gain between Points Q and R? Use the ruler to measure the distance to the nearest centimeter. Record your answer in the space provided below.
21 Tides on the Texas coast usually occur twice — A daily B weekly C monthly D yearly
22 Carbon powder and iron filings are both black powders. When mixed together, they look like one black powder. Which of these would be best to use to separate the iron filings from the carbon powder? F A magnifying glass G Heat H A magnet J Water
23 Which of these best shows the relationship between Earth, the moon, and the sun?
24 In which container will the water evaporate most quickly?
25 Which of the senses must be protected when doing an activity concerning a solar eclipse? A Touch B Taste C Sight D Smell
26 Brightly colored flowers are most often pollinated by — F wind G mammals H rainfall J insects
27 Similar containers were filled with different types of soil. Holes were poked into the bottom of each container, and 300 milliliters of water were added. The water that dripped out was collected and measured. According to the information in the table, which type of soil retained water best? A Potting soil B Sandy soil C Gravel D Clay
28 Which of these best completes this chart? F Water G Soil H Coal J Sand
29 A rock is taken from the surface of the moon and brought to Earth. What is different about this rock on Earth? A Its mass B Its shape C Its length D Its weight
30 The picture shows the leaf and fruit of a sycamore tree. A tree like the sycamore would have the hardest time growing in an environment that is mostly — F cold and dark G warm and rainy H cool and wet J hot and cloudy
31 In an activity, 20 grams of salt are dissolved in 70 grams of pure water. The water is then heated on a hot plate. When the water evaporates completely, how much salt will be left? A 0 grams B 18 grams C 20 grams D 22 grams
32 When a chocolate bar is heated by the sun, all of the following are likely to be seen EXCEPT — F boiling G a liquid H melting J a change in shape
33 The pans in this balance are at the same height. According to this information, the mass of the rock sample is — A 170 grams B 180 grams C 200 grams D 230 grams
34 Crystals were grown on a string in a clean glass jar containing sugar dissolved in hot water. The crystals grew on the string for several weeks. What kind of crystals are they? F String G Water H Glass J Sugar
35 Which diagram shows how energy flows through a food chain? A Producers carnivores herbivores B Sun producers herbivores carnivores C Sun herbivores carnivores producers D Carnivores producers herbivores
36 The type of penguin shown in the picture above lives in the icy lands of Antarctica. The male penguins huddle together in a tight group. They stay in these tight groups most likely because they are — F looking for the sun G hiding from predators H sharing body heat J fighting over a piece of food
37 The table shows the time it took to freeze water in two different salt solutions with different salt content. According to the table — A freezing rates are the same in each trial B water with more salt takes longer to freeze C water loses heat at a rate of 1°C per minute D salt dissolves more quickly in small amounts of water
38 An advertisement for a breakfast food states that the product is "the healthiest choice." Which of these could show that this is a valid claim? F The bar code G The nutrition information H The number of grams J The pictures on the box
39 If the person in the middle lets go of the rope, in which direction would objects X and Y go? A X up, Y up B X up, Y down C X down, Y down D X down, Y up
40 The graph shows how many individuals were found in a beetle colony. How many more beetles than mealworms were found in this colony? F 5 G 8 H 14 J 32
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