Not every part of a bicycle is needed to make it move. Some parts make it easier or safer to ride. Which of the following parts is needed to make the bicycle move?
A. brakes
B. indicators
C. seat
D. wheels
D. Wheels
100
What is the best way to make sure a measurement is accurate?
A. make a good estimate
B. have someone else measure for you
C. take the measurement several times
D. compare your guess and your measurement
C. take the measurement several times
100
While Anna is testing a circuit, she dropped a light bulb. What is the safest thing that Anna can do?
A. get a new lightbulb and finish the test
B. push the broken glass under the table
C. tell the teacher
D. ask a partner to help her pick up the broken glass
C. tell the teacher
100
Where in the world would you find the saltiest water?
The ocean
100
Many life scientists study only one kind of animals their entire career. Which type of life scientist would likely study butterflies?
Insect
200
How do spines of a cactus help it survive?
A. Spines help the cactus get moisture.
B. Spines anchor the cactus to the ground.
C. Spines protect the cactus from animals.
D. Spines support the stems and branches of a cactus.
C. Spines protect the cactus from animals.
200
Sam poured water on a pile of dirt and observed that some dirt eroded from the pile. Which question could he test to learn more about erosion?
A. How long will the dirt stay wet?
B. What types of animals live in the dirt?
C. Will adding more water change the type of dirt?
D. Do different types of dirt wash away at different rates?
D. Do different types of dirt wash away at different rates?
200
Which of these items is least likely to use magnetism?
A. automobile
B. ceiling fan
C. golf club
D. CD player
C. golf club
200
Scientists claim that the area around the Grand Canyon was once covered by an ocean. What evidence would support their claim?
A. Dinosaur footprints found near the Grand Canyon.
B. Fish were found living in the rivers at the Grand Canyon.
C. Fossils of ocean animals were found at the Grand Canyon.
D. Bones from desert animals were found at the Grand Canyon.
C. Fossils of ocean animals were found at the Grand Canyon.
200
Ducks live near ponds and lakes. The shape of a duck's foot helps it swim and walk on muddy ground. Which factor is most important in determining the shape of a baby duck's foot?
A. the shape of the parent duck's foot
B. the temperature of the pond water
C. the amount of mud at the bottom of the pond
D. the amount of rain that fell before the duck was born
A. the shape of the parent duck's foot
300
Which of the following can cause a change in the atmosphere?
A. volcanic eruptions
B. erosion
C. deposition
D. ice cores
A. volcanic eruptions
300
Julie is making a device to prevent an egg from breaking when it is dropped. When she drops her egg, it breaks. What should she do next?
A. Revise the design by listening to the suggestions of her classmates and teacher.
B. Keep the design the same and hope it doesn't break next time.
C. Revise the design without listening to any suggestions.
D. Give up on the design and conclude that it is not possible to create a device that prevents the egg from breaking.
A. Revise the design by listening to the suggestions of her classmates and teacher.
300
What are three items that could be used to close an open circuit and allow the light bulb to light up? (other than wire)
Answers vary. Any conductors would be correct.
300
Which of the following is not a feature of weather?
A. the kinds of clouds
B. the speed of the wind
C. the temperature of the air
D. the position of the stars
D. the position of the stars
300
Separate the following animals into two categories, vertebrate and invertebrate:
-fish
-grasshopper
-frog
-turtle
-ladybug
Vertebrates: fish, frog, turtle
Invertebrates: grasshopper and ladybug
400
How do tree rings show information about the climate?
The width of the tree rings show the wet and dry seasons.
400
A group of fourth graders is measuring the height of two plants every day for a month in order to compare which grows faster. What type of graph would best show their results?
Line Graph
400
What kind of charge do electrons have?
A. negative
B. weak positive
C. strong positive
D. no charge
A. negative
400
A glacier is a slow moving river of ice. How does a glacier help to create soil?
A. It scrapes small particles off large rocks.
B. It carries plants down mountains and to rivers.
C. It melts and becomes part of the rivers and streams.
D. It freezes small particles of dirt to make big rocks
A. It scrapes small particles off large rocks.
400
Living things adapt in order to thrive in their environment. How long does it take physical adaptations to happen?
A. within a creature's life
B. about five years
C. about one year
D. many generations
D. many generations
500
If Tucson were currently in the middle of a large high-pressure zone, what kind of weather would Tucson most likely have?
sunny and clear
500
Three fourth graders want to find out which of their bicycles is the fastest at coasting down a hill. What two scientific instruments would provide the most useful data?
Meterstick and Stopwatch
500
Why is a car a safe place to be during a thunderstorm? (Must have an answer related to electricity)
A car has rubber tires and rubber is an insulator.
500
About how much of the earth's surface is covered in water?
About 75%
500
What are two examples of inherited traits?
Anything you get from your parents that you are born with such as hair color, eye color, shape of your nose, number of fingers on your hand, etc