Simple Machine/Solar System
Animal Characteristics
Scientific Method
Inventors
Light,Rocks,etc
100
Pat found a wooden box in his grandparents' garage. The top was nailed shut. He used a crowbar to pry off the top. What type of simple machine did Pat use? A. Pulley B. Lever C. Wheel and axle D. Inclined plane
B. lever
100
A girl found the skull of an animal. She did not know what the animal was, but she was sure that it preyed on other animals for its food. Which clue led to her conclusion? A. Four of the teeth were long and pointed. B. The skull was much longer than it as wide. C. The eye sockets faced sideways. D. There was a projecting ridge on the front of the skull.
A.
100
Brent noticed that when he held a piece of cork under water and then let it go, the cork rose to the surface. This occurred because the cork is less dense than water. Which of these is most similar to what happened to the cork? A. Model rocket taking off B. Sun rising in the morning C. Hot-air balloon rising in the air D. Airplane taking off
C. hot air balloon rising in the air
100
Which scientist invented the light bulb? A. Benjamin Franklin B. Albert Einstein C. Thomas Edison D. Isaac Newton
C. Thomas Edison
100
A student places four T-shirts outside on a sunny day. Which color shirt will reflect the most light? A. Green B. Black C. White D. Red
C. white
200
If all the planets started at the same time and circled the sun, which one would finish the trip last? A. Jupiter B. Uranus C. Mercury D. Saturn
B. Uranus
200
Carlos and Rowanda were writing a report on rabbits. They learned that rabbits blend in with their environment, are fast runners, and reproduce quickly. Which best describes the students' discoveries? A. Rabbits adapt to their surroundings for survival. B. Rabbits are less interesting than their predators. C. Rabbits do things to make it easier for people to hunt them. D. Rabbits are more intelligent than their predators.
A.
200
A student wrote down measurements that he collected from an experiment. What are these measurements called? A. Procedure B. Graph C. Data D. Hypothesis
C. Data
200
Why is it so important for medical doctors to be able to use a microscope? A. Microscopes help doctors measure patients' blood pressure. B. Microscopes help doctors look at distant objects. C. Microscopes help doctors see organisms that cause disease. D. Microscopes help doctors sort through patients' medications.
C. Microscopes help doctors see organisms that cause disease.
200
A rock was brought to school. The class found fossils of water plants and shells in the rock. What does this tell us about the rock? A. The rock needs to be washed off. B. The rock is heavier than most rocks. C. The rock is gray and brown. D. The rock was once at the bottom of the sea.
D. The rock was once at the bottom of the sea.
300
Why does it take longer for cars to stop on pavement that is covered with ice than on pavement that is dry? A. The ice makes the temperature of the air lower. B. The ice makes the friction between the tires and the pavement greater. C. The ice makes the temperature of the pavement higher. D. The ice makes the friction between the tires and the pavement less.
D.
300
The fish, dog, and bird are alike in many ways. One way is that they all have-- A. lungs B. backbones C. hair D. legs
B. backbones
300
Tonya's class is working on science fair projects. Which of these will all of the students' experiments share? A. They will have the same hypothesis. B. They will include a photograph. C. They will follow the same procedure. D. They will use scientific methods.
D. they will use scientific methods
300
Which would slow erosion? A. Cutting down older trees B. Putting up a wooden fence C. Building a hiking trail D. Planting grass along a hillside
D. planting grass along a hillside
300
In this student's lunch bag, which item would decompose the quickest? A. Apple core B. Fruit can C. Wooden spoon D. Plastic bag
A. apple core
400
An object is placed on a table. A magnet is slowly moved toward it. The object moves away from the magnet. The object is most likely-- A. an iron nail B. another magnet C. a piece of glass D. a copper coin
B. another magnet
400
What do these animals have in common? turtle, snake, snail, A. Invertebrate B. Warm-blooded C. Cold-blooded D. Vertebrate
C. cold blooded
400
For the science fair, Leon tested the strength of paper towels. He tested 5 different brands of towels and repeated the experiment 10 times. Why did Leon repeat the experiment 10 times before he wrote his conclusion? A. The paper towels were destroyed. B. He wanted to collect more data. C. He wanted to change his hypothesis. D. The paper towels became soggy.
B. He wanted to collect more data.
400
Which scientist discovered the laws of motion that describe how forces make objects move? A. Sally Ride B. Isaac Newton C. Jane Goodall D. Thomas Edison
B. Isaac Newton
400
A bean plant is placed in potting soil. Water is added. A lid is placed loosely on the jar. What else does the plant need to make sure that it will grow? A. Rocks B. Salt C. Sunlight D. Sticks
C. sunlight
500
What does the school nurse use to measure body temperature? A. Thermometer B. Ruler C. Stopwatch D. Balance
A. thermometer
500
Which of these survives harsh winters by traveling to a warmer climate? A. Crow B. Monarch butterfly C. Gray squirrel D. Red-tailed fox
B. monarch butterfly
500
Decomposers are helpful to the food chain because they-- A. prey on carnivores B. provide nutrients for the soil C. are food for carnivores D. use photosynthesis to make food
B. provide nutrients for the soil
500
Which of these is a renewable resource? A. Petroleum, because it can be refined into gasoline B. Coal, because more can be made in about 100 years C. Gold, because more can be made very easily D. Wood, because trees grow again
A. Petroleum
500
Which is most similar to the skin of a human? A. Beak of a bird B. Scales of a fish C. Gills of a tadpole D. Teeth of a crocodile
B. scales of a fish
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