Technology
Life Science
Earth and Space Science
Physical Science
Other
100
Which of the following statements best describes a complex machine? A. It is designed to move with a motor. B. It is constructed from machine-made parts. C. It is made of more than one simple machine. D. It is built from more than one type of material.
C. It is made of more than one simple machine.
100
Which of the following processes makes it possible for plants to use energy from sunlight to produce their own food? A. metamorphosis B. photosynthesis C. pollination D. reproduction
B. photosynthesis
100
The Sun appears to move across the sky each day, rising in the east and setting in the west. What causes this apparent motion? A. the rotation of Earth on its axis B. the revolution of the Sun around Earth C. the Earth’s distance from the Sun D. the properties of Earth’s atmosphere
A. the rotation of Earth on its axis
100
Delilah put a container of water in the freezer and left it there overnight. The next morning she saw that the water in the container had changed to ice. Which of the following statements best explains why the water changed to ice? A. The water gained energy. B. The water absorbed light. C. Mass was released from the water. D. Heat was taken away from the water.
D. Heat was taken away from the water.
100
In the water cycle, rain, snow, or sleet falling to the ground is a form of A. precipitation. B. condensation. C. evaporation. D. transpiration.
A. precipitation.
200
Which of the following fasteners are best to use to fasten the sides of a wooden birdhouse? A. bolts B. hooks C. nails D. pins
C. nails
200
Which part of a plant is most responsible for using energy from the Sun to produce food for the plant? A. flower B. leaf C. root D. stem
B. leaf
200
A student observed a rock made up of many small particles of sand arranged in light-colored layers and dark-colored layers. Which of the following statements describes how this type of rock most likely formed? A. Clay was crushed and frozen under a glacier. B. Lava from a volcano cooled quickly in water. C. River sediments were slowly compacted and cemented together. D. Mineral deposits hardened into solid rock in underground caves.
C. River sediments were slowly compacted and cemented together.
200
Which of the following forms of energy can travel by vibrating particles of air? A. electrical B. light C. magnetic D. sound
D. sound
200
Four rods of equal thickness but made of different metals were tested with equal amounts of weight to see which was most flexible. Which of the following is the best way to report the results of this experiment? A. a list of each type of rod used B. a sketch of each rod before testing C. a table showing how much each rod weighed D. a bar graph showing how much each rod bent
D.a bar graph showing how much each rod bent
300
Rachel purchased a kit for making a skateboard ramp. Which of the following is most important to have for putting the ramp together? A. a picture showing the colors of different ramp parts B. a diagram showing some ways to use the ramp C. a list of prices for other available kits D. a set of instructions for the kit materials
D. a set of instructions for the kit materials
300
Which of the following characteristics is a lion least likely to pass on to its offspring? A. colors of its fur B. length of its tail C. scars on its leg D. size of its body
C. scars on its leg
300
Which of the following has the greatest effect on the ability of soil to hold water? A. the age of the soil particles B. the size of the soil particles C. the color of the soil particles D. the luster of the soil particles
B. the size of the soil particles
300
A student places a sheet of black construction paper on her desk. What happens to most of the light that strikes the black construction paper? A. The light is bent by the paper. B. The light reflects off the paper. C. The light is absorbed by the paper. D. The light passes through the paper.
C. The light is absorbed by the paper.
300
Temperature changes along the coast are usually less extreme than temperature changes farther inland. Which of the following statements best explains why? A. It is much windier at the coast than farther inland. B. The temperature of the land remains fairly constant. C. It is much less humid at the coast than farther inland. D. The temperature of the ocean remains fairly constant.
D. The temperature of the ocean remains fairly constant.
400
Cameron is shopping for a new desk. He wants to make sure the desk will fit in the corner of his room. When Cameron shops for the new desk, which of the following will best help him make sure that the desk will fit? A. a picture showing the carpet in his room B. a diagram of the measurements of his room C. a drawing showing how to put a desk together D. a list of tools he needs to put the desk together
B. a diagram of the measurements of his room
400
In some locations, squirrels sleep for long periods of time during the winter months. Which of the following most likely causes these squirrels to sleep for long periods of time? A. increase in humidity B. decrease in temperature C. clouds forming in the sky D. winds blowing in the night
B. decrease in temperature
400
All of the processes listed below cause changes in Earth’s surface. Which of the following is the slowest to change Earth’s surface? A. earthquake activity B. landslide C. volcanic eruption D. weathering
D. weathering
400
Steel cans are separated from aluminum cans in a recycling center. Which of the following is the best way the recycling center can separate the steel cans from the aluminum cans? A. sort the cans by size B. put the cans in water C. cool the cans to a low temperature D. put the cans under an electromagnet
D. put the cans under an electromagnet
400
In the life cycle of a frog, which of the following best describes what happens after the tadpole stage? A. The tail grows and the gills disappear. B. The gills develop and the front legs appear. C. The rear legs grow and the lungs disappear. D. The lungs develop and the tail becomes shorter.
D. The lungs develop and the tail becomes shorter.
500
A scientist is using a special camera to take pictures of animals that visit a pond at night. The camera is very expensive and is easily damaged by water. The camera will be left at the pond for a month to take pictures. Which of the following describes the best way to protect the camera while it is taking pictures at the pond? A. attach the camera to a floating raft on the pond B. put the camera inside a solid, metal box on the shore C. place the camera in a sealed, clear plastic container on a pole D. hang the camera by a rope from a high tree limb over the pond
C. place the camera in a sealed, clear plastic container on a pole
500
Some types of trees are able to survive the heat of a forest fire. Which of the following characteristics would best help a tree survive a fire? A. large leaves B. shallow roots C. thick bark D. thin trunks
C. thick bark
500
Which of the following best describes a mineral? A. the main nutrient in all foods B. a type of grain found in cereals C. a natural substance that makes up rocks D. the decomposed plant matter found in soil
C. a natural substance that makes up rocks
500
Which form of precipitation is most likely to cause damage when hitting the roof of a car? A. hail B. rain C. sleet D. snow
A. hail
500
A student thinks that two trees in the woods have grown from seeds produced by the same parent tree. Which of the following observations provides the best evidence to support the student’s idea? A. Both trees have broken branches. B. Both trees have grass growing beneath them. C. Both trees have white flowers with five petals. D. Both trees have holes made in their bark by birds.
C. Both trees have white flowers with five petals.
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