Only a Scientist Knows
Animal Instincts?
Chains & Cycles
The "Force" of "Energy"
Anything in the name of Science
100
Which of the following items would be used to find the mass of a sample of table salt? a. microscope b. triple-beam balance c. beaker d. safety goggles
B. Triple-Beam Balance
100
When a dog sees a cat, a message travels from the dog's eyes to the dog's - a) muscles b) nose c) brain d) salivation glands
c) brain
100
Which is the best example of evaporation? a. a cold can collecting water droplets on the outside of the can b. rain falling creating a puddle on the sidewalk c. the puddle of water disappearing on a hot, sunny day d. the sand washing away during a rainstorm
c. the puddle of water disappearing on a hot, sunny day
100
A book falls off a table, which force moves the book toward the floor? A. The pull of Earth's gravity B. The pull of Earth's rotation C. The push of the table D. The push of air pressure
A. The pull of Earth's gravity
100
What property of a crayon will stay about the same after the crayon melts? A. Shape B. Temperature C. Mass D. Texture
C. Mass
200
Which item below would NOT be considered a tool for measurement in the lab? ruler, triple-beam balance, thermometer, binoculars
Binoculars
200
A large number of Nile alligators routinely gather in the area of the Nile River that large herds of water buffalo come to drink. There eyes are located on the top of their head so that they can fully submerge their bodies to surprise their prey and the force of their jaws clamps down and does not release. Which is an example of learned behavior? a. gathering in the Nile at the watering area b. eyes positioned at the the top of their heads c. clamping down of the jaws d. rows of teeth
a. gathering in the Nile at the watering area
200
egg -> larva -> pupa -> adult Which animal goes through the stages of metamorphosis shown above? A Beetle B Frog C Bird D Snake
A. Beetle
200
All of the following items will conduct electricity EXCEPT? A. metal paper clip B. copper wire C. aluminum foil D. rubber band
D.rubber band
200
A sand dunes in the desert that shift their shape are most likely the result of... A. wind erosion and deposition B. water erosion and deposition C. evaporation and condensation D. glacial movement
A. Wind erosion
300
A student wants to observe a sample of skin cells. What instrument would be the best to observe the cells?
A microscope
300
An arctic hare's fur turns from brown to white in the winter. How does this color change most likely help the arctic hare?
It helps the animal hide from predators, camouflage, protection...etc.
300
grass -> rabbit -> coyote -> vulture Which organisms in the food chain above are NOT examples of producers?
Rabbit, coyote and vulture
300
Ice cream in a bowl has changed from a solid to a liquid in a few minutes, what type of energy most likely caused this change?
Heat Energy....or heat was added
300
A giraffe's long neck, an elephant's large ears, and a hummingbird's long thin beak are all examples of what type of adaptation?
Physical Adaptation
400
A control variable, an independent variable and a dependent variable would most likely be used in what step of the scientific process. A. Research B. Experiment C. Hypothesis D. Conclusions
B. Experiment
400
The mole is an animal that digs tunnels. Which of the following characteristics would NOT be an advantage to a mole? a. sharp claws b. large ears c. small eyes d. strong legs
b. large ears
400
What purpose do trees serve in the carbon cycle?
Photosynthesis...trees take in carbon and expel oxygen.
400
A student plays the drums in a band. When the drum sticks hit the drums a loud sound is produced. The force of the drumsticks hitting the drum produces sounds because.....
air vibrates or sound carries on air vibrations
400
After river water flows into the sea, which process help replace the water in the river? A. Rainfall and Runoff B. Erosion and Weathering C. Refraction and Reflection D. Evaporating and Separating
A. Rainfall and Runoff
500
What is the scientific term used to describe the process of an educated statement that will be tested during an experiment?
Hypothesis
500
A male peacock has a brightly colored feathered tail that can expand to display iridescent blues and greens. The female peacock had brown and beige feathers and do not display their feathers like the male peacocks. What is the most likely reason that only the male peacocks have brightly colored feathers to display?
The male peacock feather's help the peacock attract a mate.
500
What is the most likely effect on the carbon cycle, if a large rain forest is destroyed by land clearing and large number of industries are built on the cleared land.
The amount of carbon would increase and the amount of oxygen would decrease.
500
In West Texas there are hundreds of miles of large wind turbines. They resemble large helicopter blades that rotate when the wind blows. Moving air has energy. The energy of the moving air is most likely changed to what type energy through the wind turbines?
Electrical Energy
500
Describe an animal and a physical and behavioral adaptation that it expresses and the reason for the adaptation.
Answers vary....teacher's discretion