Nature of Science
Weather/ Climate
Solar System
Human Body/ Adaptations
Matter/ Adaptations
100
Henri’s dad was moving cars out of his family’s driveway. The driveway was located in strong sunlight. Henri observed that the family’s white car was cooler inside than the black car was. He wants to do an experiment to see whether color makes a difference in the amount of radiant energy a metal surface absorbs. What should he do next?
A. form an opinion
B. analyze evidence
C. draw a conclusion
D. plan an experiment
D. plan an experiment
100
Mason and Amber made a model showing how snow changed to rain as it fell from the colder upper atmosphere to the warmer lower atmosphere.
Which change of state does their model show?
A. solid to gas
B. liquid to gas
C. solid to liquid
D. gas to liquid
C. Solid to liquid
100
Our solar system consists of eight planets. What is a planet?
A. Many stars held together
B. A rock fragment in space
C. A large object in space that revolves around a star in its own orbit
D. A large object in space that is composed of gases and gives off light
C. A large object in space that revolves around a star in its own orbit.
100
In the human body, one of the important organs is the heart. What is the function of the heart?
A. to digest food in the body
B. to remove waste from the body
C. to pump blood through the body
D. to send messages to other parts of the body
C. to pump blood through the body
100
Saqib placed an ice cube on a plate. The ice cube changed from a solid to a liquid. What happened to the amount of matter in the ice cube?
A. It doubled.
B. It tripled.
C. It stayed the same.
D. It decreased slightly.
C. It stayed the same.
200
Directions: Dragonflies eat an average of forty mosquitoes a day. The graphs below display a population of dragonflies and a population of mosquitoes in a wetland area. Use the data in the graphs to answer the questions that follow.
Based on the graphs, what best describes the relationship between the dragonfly and mosquito populations?
A. As the number of dragonflies decreases, the number of mosquitoes decreases.
B. As the number of dragonflies increases, the number of mosquitoes decreases.
C. As the number of dragonflies increases, the number of mosquitoes increases.
D. As the number of dragonflies remains the same, the number of mosquitoes decreases.
B. As the number of dragonflies increases, the number of mosquitoes decreases.
200
Ethan draws a picture to illustrate the water cycle. He needs to add another step in the cycle to complete his illustration. Which step is missing from the illustration to complete the water cycle?
A. runoff
B. evaporation
C. precipitation
D. condensation
D. condensation
200
Which of these characteristics distinguishes the outer planets from the inner planets?
A. The outer planets have many moons.
B. The outer planets orbit in a different direction.
C. The outer planets have higher densities.
D. The outer planets have smaller diameters.
A. The outer planets have many moons.
200
The illustration below shows the organs that food passes through on its way through the digestive system. The stomach plays a critical role in the digestive system.
What is the primary function of the stomach in the digestive system?
A. to break down food
B. to supply oxygen to cells
C. to clean the blood
D. to transport energy to other organs
A. to break down food
200
A company collects two types of metal cans for recycling. There are many large piles of these metal cans. Which of the following is the a quick way to separate the mixture of the two types of metal cans?
A. By can size
B. By can shape
C. By using a magnet
D. By filtration
C. By using a magnet
300
During a science experiment, students notice that a liquid changes from blue to yellow after being heated. When the students write up the laboratory report, where should they note the color change?
A. under "Conclusion"
B. under "Observations"
C. under "Problem"
D. under "Procedure"
B. under "Observations"
300
Aram made this model of the water cycle.
What is the purpose of the bowl of ice cubes?
A. The ice cubes hold the lid down so it does not rise during evaporation.
B. The ice cubes melt as they are heated by the lamp showing runoff.
C. The ice cubes keep the lamp from overheating the plastic lid.
D. The ice cubes cool the lid so precipitation occurs.
D. The ice cubes cool the lid so precipitation occurs.
300
In space, there are many different objects. The picture below shows a group of stars, gas, and dust that an astronomer would see with a telescope.
What is the correct term for this grouping of stars, gas, and dust?
A. planet
B. galaxy
C. universe
D. solar system
B. galaxy
300
A fish is a vertebrate. This means that a fish has an inner skeleton. A lobster does not have an inner skeleton. A hard, outer shell covers its body. The hard outer shell is called an exoskeleton.
What purpose do both a lobster’s exoskeleton and a fish’s skeleton have?
A. support
B. protection
C. movement
D. temperature control
A. support
300
Reggie has a sample of sugar made up of large particles and a sample of sugar made up of much smaller particles. He dissolved 1 tsp of each sample in 1 cup of water. Which dissolved fastest?
A. Both dissolved at the same rate.
B. The sugar with the smaller particles dissolved slowly, and the sugar with the larger particles dissolved quickly.
C. Neither of the sugar particles dissolved.
D. The sugar with the smaller particles dissolved quickly, and the sugar with the larger particles dissolved slowly.
D. The sugar with the smaller particles dissolved quickly, and the sugar with the larger particles dissolved slowly.
400
Elena is planning an experiment. These are the setups she plans to use.
What is wrong with her plan?
A. She is testing more than one variable.
B. She has not set up a table to record her results.
C. She did not include a prediction of what will happen.
D. She should use bean seeds rather than bean seedlings.
A. She is testing more than one variable.
400
A weather report predicts that it will be a sunny and dry day. What weather condition best explains the predicted weather?
A. High precipitation
B. High humidity
C. Low air pressure
D. High air pressure
D. High air pressure
400
Jaynelle made a two-column chart to compare comets and asteroids. Which of these properties belongs in BOTH columns of her chart?
A. has a long tail
B. orbits the Sun
C. is made of gas, ice, and dust
D. probably caused craters on the Moon
C. is made of gas, ice and dust
400
Julia made this poster showing some adaptations in bird beaks. Which bird is best adapted to prey on mice?
A. avocet
B. hawk
C. pelican
D. thrasher
B. hawk
400
Compare the human body to an oak tree. A human’s skin is most like which part of an oak tree?
A. acorn
B. bark
C. leaf
D. root
B. bark
500
Although scientific experiments and other kinds of investigations can be very different, they all start the same way. Which of these would you do first in any scientific investigation?
A. Draw conclusion.
B. Write a hypothesis.
C. Form a question or problem.
D. Organize data in tables and charts.
C. Form a question or problem.
500
Which of these bodies of water has the greatest effect on the climate of neighboring land?
A. lake
B. ocean
C. pond
D. river
B. ocean
500
During a trip to a planetarium, Hue learned that the inner planets are Mercury, Venus, Earth, and Mars.
Which statement describes the four inner planets?
A. They have moons.
B. They have surface water.
C. They are small and rocky.
D. They are made mostly of gas.
C. They are small and rocky.
500
Eliza noticed that butterflies are often colorful, while moths are usually dull in color. What is the most likely reason for the adaptation of butterflies?
A. Butterflies have colorblind enemies.
B. Butterflies use their color to attract food, while moths do not.
C. Butterflies are active in the daytime, while moths are active at night.
D. Butterflies have a more difficult time attracting mates than moths do.
C. Butterflies are active in the daytime, while moths are active at night.
500
In the fall, a ground squirrel will store the energy from food as a thick layer of fat. What is most likely the reason for this adaptation?
A. It keeps the animal from being exposed to diseases in winter.
B. It keeps the animal from being eaten by predators that hunt during winter.
C. It helps the animal get exercise during winter when it is snowing.
D. It helps the animal survive a cold winter when there is very little food.
D. It helps the animal survive a cold winter when there is very little food.