Which sentence best describes how birds survive when the weather gets cold?
A.) They migrate to a cooler climate.
B.) They hibernate in their nests
C.) They grow more feathers for the winter
D.) They migrate to a warmer climate
What is they migrate to a warmer climate.
100
When frogs are placed in an ecosystem where there are no natural predators, then this will most likely happen.
What is the frog population will increase.
100
The correct unit for measuring mass is
A.) meters
B.) Kilograms
C.) Liters
D.) degrees
What is kilograms
100
This happens when like poles of a magnet are brought close together.
What is they repel each other.
100
We observe the Moon's phases because of the Moon's revolution around Earth or the the Earth's revolution around the Sun?
What is the Moon's revolution around Earth.
200
The zinc that is mined in Tennessee is used to produce this. Is it coating on metal that resists rust, Tennessee marble, fossil fuels, or compost?
What is coating on metal that resists rust.
200
Which statement is true about incomplete metamorphosis?
A.) An egg hatches from a nymph.
B.) The nymph looks nothing like the adult.
C.) There may be several nymph stages.
D.) The larval and pupae stages look alike.
What is C. There may be several nymph stages.
200
A force that opposes motion on a surface is
A.) Acceleration
B.) Friction
C.) Velocity
D.) Gravity
What is friction
200
Which one is a form of chemical energy?
A.) Heat produced by the sun.
B.) Light produced by the sun.
C.) Fossil fuels.
D.) Water.
What is fossil fuels.
200
A glass of water was left on a table, but 3 days later, the water was gone. What happened to the water?
What is the water evaporated.
300
Which tool lets scientists view different kinds of cells?
A.) Telescope
B.) Pan balance
C.) Microscope
D.) Hand lens
What is microscope.
300
When a solid changes into liquid.
What is melting.
300
Which of these would be the most likely reason why roads are usually made of dark colors?
A.) Dark colored materials are less expensive.
B.) Dark colored materials reduce the refraction of sunlight.
C.) Dark colored materials reduce the reflection of sunlight.
D.) Dark colored materials provide a smoother surface for driving.
What is C. Dark colored materials reduce the reflection of sunlight.
300
This is how an omnivore gets energy to live.
A.) From plants only
B.) From animals only
C.) From plants and animals.
D.) Directly from the sun.
What is C. From plants and animals.
300
A river in an ecosystem dries up. There is an organism that can not adapt to that change, what will most likely happen to that organism?
A.) Continue to live like the river is still there.
B.) Become extinct in that ecosystem.
C.) Hibernate until the river comes back.
D.) Change the ecosystem to how it was.
What is B. Become extinct in that ecosystem.
400
Name the stages of complete metamorphosis in order.
What is egg, larva, pupa, adult.
400
This life process ensures the survival of a species.
A.) Reproduction
B.) Respiration
C.) Excretion
D.) Growth
What is reproduction
400
If someone wants to change their windows so that they have privacy but still get sunlight, what is the best material to use?
A.) Transparent plastic.
B.) Bricks.
C.) Translucent glass.
D.) Thin paper.
What is translucent glass.
400
A new species of beetle is introduced in an ecosystem where it has no natural predators. What is the best prediction a scientist can make about what might happen in the ecosystem?
A.) The beetles will hibernate and not appear for years.
B.) The beetles may overpopulate the ecosystem.
C.) Birds and reptiles will disappear from the ecosystem.
D.) All consumers in the ecosystem will starve.
What is B. The beetles may overpopulate the ecosystem.
400
An area has an average temperature of 15 degrees celsius. Is this describing the temperature, climate, habitat, or water cycle?
What is climate.
500
What happens to runoff?
A.) It gathers in lakes and rivers.
B.) It soaks into concrete and other pavement.
C.) It becomes precipitation.
D.) It is refracted.
What is It gathers in lakes and rivers.
500
What are the stages of incomplete metamorphosis?
What is egg, nymph, adult.
500
Cecil, Effie, and Tien are racing scooters on a flat playground. The playground is 100 meters wide. Effie crosses the playground in 15 seconds, Tien crosses in 14 seconds, and Cecil crosses in 16 seconds. Who was the fastest?
What is Tien.
500
Rocket fuel and gasoline are forms of this type of energy.
A.) Chemical energy.
B.) Sound energy.
C.) Light energy.
D.) Magnetic energy.
What is A. Chemical energy.
500
Name all the moon phases in order.
What is new moon, waxing crescent, 1st quarter, waxing gibbous, full, waning gibbous, last quarter, waning crescent.