Show:
May the force be with you
Anything Goes
Calling all Students
Miscellaneous
Machines
100
One type of animal hatches from an egg, breathes through gills when it is young, and mainly lives on land as an adult. Into which group is this animal classified? A. amphibians B. birds C. mammals D. reptiles
What is: A. amphibians
100
South Carolina is humid during the summer months. Which of the following is the most likely cause of the humid conditions? A. runoff from inland mountains B. flooding from rivers and streams C. groundwater bubbling to the surface D. evaporation from the surface of the ocean
What is: D. evaporation from the surface of the ocean
100
Which of the following can be caused by weathering? A. cracks forming in a boulder B. rocks melting to form magma C. glaciers forming on a mountainside D. pebbles combining to form a large rock
What is: A. cracks forming in a boulder
100
Corals are small marine organisms that live in groups and make hard outer skeletons to protect their bodies. Over time, these outer skeletons can build up to make large coral reefs. Which of the following statements best describes one way the formation of a coral reef changes the ocean ecosystem? A. It makes the ocean water saltier. B. It removes sand from the ocean floor. C. It causes ocean waves to become stronger. D. It creates a habitat for some ocean animals.
What is: D. It creates a habitat for some ocean animals.
100
An example of a lever is: A. Flagpole B. Stapler C. Tires on a car D. Ramp
What is a stapler
200
A student freezes some orange juice. Which of the following statements best describes how the orange juice is different after it is frozen? A. It is a liquid. B. It weighs more. C. It stays in one shape. D. It takes up less space.
What is: C. It stays in one shape.
200
A volcano erupted in the Atlantic Ocean and formed a new island over time. The picture below shows the new island as it was forming. Picture of a new island forming above the level of the ocean. Smoke is rising from the center of the new island. The new island is mainly made of which type of rock? A. igneous B. limestone C. metamorphic D. sedimentary
What is: A. igneous
200
All the ponds in an area dried up during a drought. The population of which of the following animals that live in the area is most affected by the drought? A. deer B. frog C. hawk D. squirrel
What is: B. frog
200
Which of the following statements best describes sandy soils? A. Sandy soils allow water to drain quickly. B. Sandy soils easily break down into clay sediments. C. Sandy soils hold plant roots tightly in place to prevent erosion. D. Sandy soils have high levels of decomposed plant and animal matter.
What is: A. Sandy soils allow water to drain quickly.
200
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.
What is: D. The lungs develop and the tail becomes shorter.
300
Chris left a glass of water on a windowsill. When he looked at the glass a few days later, some of the water had evaporated. Which of the following best describes what happened to the particles of water that evaporated? A. They became larger in size. B. They spread out into the air. C. They were absorbed by the glass. D. They passed through the glass into the air.
What is: B. They spread out into the air.
300
Jamal wants to make an electrical circuit, but he only has two wires and one light bulb. Which of the following must Jamal also have to make an electrical circuit? A. a motor B. a switch C. a bar magnet D. a power source
What is: D. a power source
300
An area received six inches of snow during the winter. Before the snow can continue through the water cycle as ground water or runoff, it must first A. condense. B. evaporate. C. freeze. D. melt.
What is: D. Melt
300
Jose has two bar magnets. He pushes the ends of the two magnets together and then he lets go. The magnets move quickly apart. Which of the following statements best explains why this happens? A. The north poles of the two magnets are facing each other. B. One magnet is a north pole and one magnet is a south pole. C. The ends of magnets repel each other but the centers attract. D. One magnet is storing energy and one magnet is releasing energy.
What is: A. The north poles of the two magnets are facing each other.
300
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
What is: C. place the camera in a sealed, clear plastic container on a pole
400
A large population of birds lives in the grassland area along a slow-moving river. This species of bird feeds on plant seeds. One spring, the river floods most of the surrounding grassland area for a period of several months. Which of the following statements describes how the birds in the population will most likely respond to this change in the environment? A. The birds will become extinct. B. The birds will learn to eat insects. C. The birds will start to hibernate early. D. The birds will move to a different location.
What is: D. The birds will move to a different location.
400
Which of the following statements describes an important difference between mushrooms and plants? A. Mushrooms can grow in wet areas, but plants grow only in dry soil. B. Mushrooms can grow in cold areas, but plants grow only in hot areas. C. Mushrooms reproduce by spreading roots, but plants need insects to reproduce. D. Mushrooms get energy from decomposing matter, but plants produce their own food.
What is: D. Mushrooms get energy from decomposing matter, but plants produce their own food.
400
The Sun is the largest body in the solar system. The Sun is a A. moon. B. planet. C. satellite. D. star.
What is D. star
400
Which of the following metals will be attracted to a magnet? A. copper B. gold C. iron D. silver
What is: C. iron
400
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.
What is: C. It is made of more than one simple machine.
500
The farmer is plowing dead plants into the farmland soil. How does this improve the soil? A. The dead plants add nutrients to the soil. B. The dead plants bring oxygen to the soil. C. The dead plants absorb toxins from the soil. D. The dead plants reduce the carbon dioxide in the soil.
What is: A. The dead plants add nutrients to the soil.
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.
What is: C. Both trees have white flowers with five petals
500
A student observed the Moon on a Tuesday. She drew a picture of its shape in her journal, as shown below. A drawing of the thin, crescent phase of the moon: the drawing shows the left side of the moon lit. Approximately how long will the student have to wait before she can see the Moon with this same shape and position again? A. 7 days B. 14 days C. 28 days D. 365 days
What is C. 28 days
500
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
What is: A. the rotation of Earth on its axis
500
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
What is: B. a diagram of the measurements of his room