Which adaptation helps a frog live in water?
A. lungs
B. gills
C. two eyes
D. legs
100
refraction
Light bends when it moves from one substance into another. This is called__.
A. vibration
B. absorption
C. reflection
D. refraction
100
sedimentary
What type of rock are fossils usually found?
A. Igneous
B. Metamorphic
C. Sedimentary
D. Volcanic
100
prediction
What is another word for a hypothesis?
A. Question
B. Data
C. Prediction
D. Fact
100
measuring
Which of the following will provide a scientist with exact information?
A. inferring
B. predicting
C. measuring
D. guessing
200
Moth
Which of the following organisms goes through a complete metamorphosis?
A. Fish
B. Dog
C. Moth
D. Horse
200
salt and pepper
Which of the following mixtures cannot be easily separated by hand?
A. screws and nails
B. apples and oranges
C. salt and pepper
D. nickels and dimes
200
Earth's rotation
What causes the Sun to rise and set?
A. Earth's orbit
B. The Sun's orbit
C. Earth's rotation
D. The Sun's rotation
200
drawing a conclusion
What is the last part of an investigation?
A. drawing a conclusion
B. finding a problem
C. writing down notes
D. forming a hypothesis
200
having green eyes
Which thrait is most likely inherited?
A. having short hair
B. tieing a shoe
C. good baseball player
D. having green eyes
300
photosynthesis
What process do plants use to make food?
A. Erosion
B. Digestion
C. Metamorphosis
D. Photosynthesis
300
friction
When two objects rub together they produce ___.
A. gravity
B. motion
C. friction
D. traction
300
Day 14
When the Moon is full, it appears to be a circle. On what day is there a full moon?
A. Day 7
B. Day 14
C. Day 21
D. Day 28
300
school bus
What object would best be measured with a meter stick?
A. basketball
B. computer screen
C. box of crayons
D. school bus
300
arms
All of the following are external characteristics of a bird except ___.
A. feathers
B. beaks
C. feet
D. arms
400
decomposers
What is the word for n organism that breaks down dead materials and returns nutrients to the soil?
A. Herbivore
B. Predator
C. Decomposers
D. Producers
400
a battery
What changes chemical energy to electrical energy?
A. A radio
B. A television
C. A battery
D. The Sun
400
water
What part of a desert ecosystem is nonliving?
A. cactus
B. lizard
C. water
D. rabbit
400
graduated cylinder
What could be used to measure the volume of a liquid?
A. prism
B. thermometer
C. spring scale
D. graduated cylinder
400
human
What organism does not undergo a complete metamorphosis?
A. human
B. butterfly
C. frog
D. ladybug
500
web feet
Which of the following is the best adaptation for swimming?
A. paws
B. web feet
C. talons
D. hooves
500
metal
Which material is the best source of electricity?
A. air
B. water
C. rock
D. metal
500
tides
The moon causes which of the following changes on Earth.
A. Night and day
B. tides
C. erosion
D. seasons
500
hypothesis, experiment, theory
What is the most logical order for steps in a scientific methods?
A. theory, hypothesis, experiment
B. hypothesis, experiment, theory
C. experiment, theory, hypothesis
D. hypothesis, theory, experiment
500
mice
What population of organisms would increase in a habitat if all snakes were killed?
A. bear
B. deer
C. eagles
D. mice