1) A teacher hands you 4 sealed containers with 4 different substances. Which answer below indicates the substance might be a gas? a) The substance takes the shape of the container and is clear. Small particles float on top of the substance. b) The substance is hard and cube shaped. The surface of the substance is shiny. c) The substance is not visible, and the container appears empty. d) The substance is cold and made of crystals. 2) Which of these is NOT an example of a bicycle using mechanical energy?  a) The pedals, gears and chain help turn the wheels. b) The wheels turn when the bicycle moves. c) The front wheel guides the bicycle as it moves. d) The reflector allows the bicycle to be seen at night. 3) A farmer is observing some bees. Which of these observations describes a learned behavior?  a) Bees have return trips to drink sugar water from a bowl placed 40 meters from their hive. b) Bees have dark eyes and black-and-yellow stripes c) Bees produce honey from the nectar they collect. d) Bees will sting when threatened or disturbed. 4) Imagining the whiskers of a house cat and the antennae of a cockroach, how do structures such as whiskers and antennae benefit organisms? a) They help organisms detect their surroundings. b) They help the organisms eat food quickly.  c) They help the organisms fight predators. d) None of these 5) An energy company wants to build a hydroelectric power plant. Which of these characteristics of an area is most important to the development of a hydroelectric power plant?  a) The area has a cool, rainy climate. b) The area is located in a valley with very little wind and frequent heavy fog. c) The area has a river that flows rapidly from nearby mountains through a valley. d) The area has no geysers or hot springs. 6) Which of the following organisms obtains energy without depending on another organism?  a) Oak trees obtain energy by producing food through photosynthesis. b) Mushrooms obtain energy by absorbing nutrients from decomposing plants and animals. c) Cottontail rabbits obtain energy by eating grasses, twigs and bark. d) Mountain lions obtain energy by preying on deer, wild hogs and rodents. 7) A student lights a candle and observes liquid wax dripping down the side of the burning candle. After putting out the candle's flame, the student goes to sleep. In the morning there is no longer any liquid wax on the side of the candle. What explains what happened to the liquid wax?  a) The heat given off by the flame caused the candle wax to evaporate. b) The liquid wax changed back into a solid as it cooled. c) The liquid wax condensed and was absorbed by the candle. d) None of the above 8) Which statement best describes the relationship between humans and plants in the carbon dioxide-oxygen cycle? a) Humans depend on oxygen released into the air by plants, and plants depend on carbon dioxide that humans release into the air. b) Plants produce carbon dioxide as a product of photosynthesis and release it into the air to provide energy for humans. c) Plants depend primarily on energy supplied by oxygen for photosynthesis, a process which releases carbon dioxide needed by humans. d) Humans and plants use gases in the air and the energy of sunlight to produce their own food. 9) Imagine a small fan plugged into your wall at home. In addition to mechanical energy, which of these is produced as electric current passes through the circuit of this fan?  a) Heat b) Mass c) Light d) Water vapor 10) Knowing how food webs work, which organism would transfer the MOST energy within a food web?  a) The predator organism of the food web b) An organism that supports two chains in the web c) The decomposer organism of the food web  d) The producer organism in the food web 11) A student goes fishing at Camp Champions. The fish keeps appearing to be closer to the surface than it really is. What causes this difference?  a) Light is reflected. b) Light is refracted. c) Light is focused. d) Light is blocekd. 12) Fossil fuels formed over long period of time after particles in water settled to the seafloor and formed marine mud. What kind of particles need to be present in the marine mud in order for fossil fuels to form? a) Mostly sand and a few small bits of wood b) Mostly decaying organisms c) Mostly lava and a few sedimentary rocks d) Mostly metal minerals 13) Resources can be classified as renewable or nonrenewable. Which of these resources is classified in the same category as coal?  a) Wood b) Wind c) Corn oil d) Petroleum 14) A student observes activities in the park. Which of these living organisms was interacting with another living organism in the environment?  a) A fire ant digging a tunnel in sandy soil. b) A blue jay drinking water from a puddle c) A bee collecting pollen from a tree. d) A hawk circling in the air over a tree 15) Based off the information listed below, Which nesting birds habitat would be most affected if all he dead branches and dying trees in a wooded area were removed?  a) Oriole - Their nest hangs from thin branches in tall trees. b) Swallow - Their nest is attached under the roof of a house or barn. c) Woodpecker - The nest is dug into rotting or decaying trees d) Kingfisher - Their nest is built into tunnels or burrows. 16) A student is looking for evidence that Earth is always rotating on its axis. Which of the following would provide the best evidence?  a) The different amount of rain that falls each day. b) The appearance of shadows changing throughout the day. c) The presence of other planets in the night sky. d) The different phases of the moon in a mouth. 17) Some animals, such as lions, have pointed teeth, while other animals, such as cattle, have flat teeth. The difference in the shape of these animals' teeth is most closely related to - a) the type of organisms the animals consume b) the sounds the animals make c) the habitat the animals live in d) the type of predators the animals have 18) Water vents in the ocean at 387ºC. How many degrees above the boiling point of water is this temperature?  a) 175 ºC b) 287ºC c) 387ºC d) 487 ºC 19) As your lantern shines on the wall, you are able to place your hands in front of the light and produce hand shadows. Which property of light makes it possible to produce a shadow?  a) Light can be refracted. b) Light is a form of energy. c) Light travels in straight lines. d) Light can be separated into different colors. 20) You find a new species of frog that DOES NOT NEED a nearby body of water to complete their life cycle. Which stage of the typical frog life cycle is most likely missing from their life cycle?  a) Egg b) Tadpole  c) Froglet d) Adult frog 21) Which list contains ONLY alternative energy resources?  a) Wind, Solar, Oil, Geothermal b) Biofuel, Coal, Geothermal, Solar c) Hydroelectric, Coal, Gas, Wind d) Solar, Biofuel, Wind, Geothermal 22) Bats search for their prey at night, to do so they use sound to locate their prey. When the bat flies and listens to echoes to locate prey, it it using - a) thermal energy and light energy b) sound energy and thermal energy c) mechanical energy and sound energy d) light energy and mechanical energy 23) Some people add sugar to their hot tea. Which property of the sugar remains the same when the sugar is in the tea solution?  a) The taste of the sugar b) The size of the sugar crystals c) The color of the sugar d) The texture of the sugar 24) Students are attempting to make a model of sedimentary rock. They pour light sand into a container, then add gravel and dark sand. Which characteristic of sedimentary rock does this model best show? a) Sedimentary rock is made of layers. b) Sedimentary rock is cemented bits of rock.  c) Sedimentary rock is often limestone. d) Sedimentary rock is common in Texas.

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