Life Science
Physical Science
Earth and Space
Engineering
Random
100
Which of the following events involves a consumer and producer in a food chain? A. A cat eats a mouse. B. A deer eats a leaf. C. A hawk eats a mouse. D. A snake eats a rat.
What is a deer eats a leaf.
100
A statue and a table are both made of the same type of marble. Which of the following properties will most likely be the same for both of these objects? A. size B. shape C. weight D. hardness
What is hardness.
100
Approximately how long does Earth take to complete its orbit around the Sun? A. one day B. one month C. one year D. one century
What is one year.
100
Which of the following objects does not have a wedge? A. axe B. doorstop C. knife D. ramp
What is a ramp.
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.
What is precipitation.
200
Naomi has a pet dog. Which of the following characteristics did the dog most likely inherit from its parents? A. its weight B. its favorite food C. the color of its fur D. the place where it lives
What is the color of its fur.
200
Heat, light, and sound are all different forms of A. fuel. B. energy. C. matter. D. electricity.
What is energy.
200
Which of the following statements best explains why stars appear to move across Earth’s sky each night? A. Earth rotates on its axis. B. The stars orbit each other. C. Earth revolves around the Sun. D. The stars rotate with the Moon.
What is the Earth rotates on its axis.
200
Which of the following changes is caused by removing heat? A. A solid changes to a gas. B. A liquid changes to a gas. C. A solid changes to a liquid. D. A liquid changes to a solid.
What is a liquid changes to a solid.
200
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
What is hail.
300
Which of the following best represents one particular stage in a life cycle? A. a fish swimming B. a seed sprouting C. a leaf growing D. a dog eating
What is a seed sprouting.
300
A student hears the sound of a bell. Which of the following carries the sound of the bell to the student? A. electrical currents B. magnetic signals C. radio waves D. vibrating air
What is vibrating air.
300
During most of the year, the air over Boston, Massachusetts, contains a high amount of moisture. Which of the following best explains why there is a high amount of moisture in the air? A. Boston is close to an ocean. B. Boston is at a low elevation. C. Boston is near many mountains. D. Boston is far north of the equator.
What is Boston is close to an ocean.
300
A squid is an animal that lives in the ocean. It pumps a stream of water out of its body, causing it to move rapidly. Which of the following mechanical systems moves in a way most similar to the squid? A. a bus B. a helicopter C. a rocket D. a train
What is a rocket.
300
An incomplete food chain is shown below. grass seed > mouse > ? > hawk Which of the following organisms would best complete the food chain? A. rabbit B. robin C. snake D. tree
What is a snake.
400
A tuna is an ocean fish that is well adapted to catching small, fast-moving prey. Which of the following adaptations most helps a tuna swim fast to catch its prey? A. large fins B. sharp teeth C. small gills D. tough scales
What is large fins.
400
Which of the following statements best explains why magnets usually stick to a refrigerator door? A. The refrigerator door is smooth. B. The refrigerator door contains iron. C. The refrigerator door is a good conductor. D. The refrigerator door has electric wires in it.
What is the refrigerator door contains iron.
400
Which of the following is most likely to make a rock crack and crumble? A. dew evaporating on the rock B. leaves decaying on the rock C. snow melting in a crack in the rock D. water freezing in a crack in the rock
What is water freezing in a crack in the rock.
400
Students want to plant a lemon tree at their school, but the cold winter temperatures in Massachusetts would kill the tree. Which of the following is the best solution to this problem? A. planting several lemon trees together in a row B. building a greenhouse to shelter the lemon tree C. giving the lemon tree extra fertilizer in the winter D. tying a stake to the lemon tree for support during the winter
What is building a greenhouse to shelter the lemon tree.
400
About how long does it take Earth to make one complete orbit around the Sun? A. 24 hours B. 7 days C. 1 month D. 1 year
What is 1 year.
500
Sandra puts some pill bugs into an open box. She covers half the box with a piece of cardboard. She then places the box outside on a summer day, and all the pill bugs move under the cardboard. The pill bugs are most likely responding to which of the following? A. air pressure B. bright light C. wind D. fog
What is bright light.
500
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.
What is heat was taken away from the water.
500
A student sorted mineral samples into two groups: dull and shiny. Which of the following properties did the student use to sort the mineral samples into groups? A. cleavage B. color C. luster D. streak
What is luster.
500
Annette is using many tools to build a doghouse. For which of the following would Annette most likely use a tape measure while building the doghouse? A. deciding which type of wood to use B. removing extra nails from the wood C. attaching different pieces of wood together D. determining where to cut the wood into pieces
What is determining where to cut the wood into pieces.
500
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
What is the size of the soil particles.
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