Three balls, each with a different mass, are moving at the same speed. Which ball would require the most force to overcome its inertia?
Ball A: 10 lbs
Ball B: 15 lbs
Ball C: 20 lbs
What is Ball C: 20 lbs.
100
Name a producer which might be found in a deciduous forest.
Answers may vary
100
Which is most responsible for the uneven heating of the air in the atmosphere - radiation, convection, conduction, or condensation?
What is convection?
100
Which is an example of a unicellular organism?
A: amoeba
B: insect
C: fish
D: worm
What is an amoeba?
100
If 10 grams of water are added to 5 grams of salt, how many grams of salt water will be made?
What is 15 grams?
200
What can cause a moving object to increase its speed in a forward direction?
A: inertia
B: unbalanced force
C: friction
What is an unbalanced force?
200
Which of the following is most responsible for recycling dead plants and animals in a freshwater ecosystem?
A: water
B: bacteria
C: octopus
D: mosquito
What is bacteria?
200
Which will most likely result form a low-pressure weather system?
A: warm temperatures
B: cloudy conditions
C: clear conditions
D: cool temperatures
What is cloudy conditions.
200
What is the purpose of the cardiovascular system?
A: to move water throughout the body
B: to eliminate waste from the body
C: to transport gases throughout the body
What is to transport gases throughout the body?
200
People sitting around a fire are able to feel its heat because of which method of energy transfer?
A: conduction
B: convection
C: radiation
What is radiation?
300
A pencil falls off a desk. Which force is most responsible for it hitting the floor?
What is gravity?
300
How would the woodpecker population in an area most likely be affected if a housing development is built in that area?
What is they would decrease in number.
300
After a rain storm, a puddle appears. It is gone by the following afternoon. Which water cycle process is most responsible for the disappearance of the puddle?
What is evaporation?
300
Which body system sends electrical signals to all other body systems?
What is the nervous system?
300
Which is a characteristic of a dog that is most likely a result of its environment?
A: its color
B: its length of ears
C: its food preference
D: it ability to see in the dark
What is its food preference?
400
A child rides a wagon downhill. Which is most responsible for causing the wagon to stop?
A: gravity acting on the wagon
B: friction acting on the wagon
C: the mass of the child
D: the mass of the wagon
What is friction?
400
If the population of hawks in an ecosystem were to suddenly decrease, what would the short and long term effect be on the population of snakes?
What is they would initially increase, but then decrease due to lack of resources.
400
As air heats, does it take up the same amount, more, or less space?
What is more space?
400
Matt is a tall, eleven year-old boy. He has a scar on his right cheek and is a good drummer. Which trait did he most likely inherit?
What is his height.
400
Bill stands in a swimming pool and notices that the surface water is much warmer than the bottom of the pool. Which method of energy transfer is responsible for this?
A: convection
B: conduction
C: radiation
What is convection?
500
Which object below would require the most force to overcome inertia?
A: a motorcycle
B: a minivan
C: a tank
What is a tank?
500
Bears eat fish, insects, and berries. What vocabulary word could be used to best describe their eating habits?
A: herbivore
B: carnivore
C: omnivore
What is an omnivore?
500
Which has the greatest effect on wind speed?
A: precipitation
B: cloud cover
C: wind direction
D: air pressure
What is air pressure?
500
The esophagus is part of which body system?
What is the digestive system?
500
Which process allows plants to release water back into the water cycle?