Heat Transfer
The transfer of heat from a warmer object to a cooler object through direct contact
conduction
Which system produces red blood cells
Skeletal
"The average summer temperatures have increased over the last ten years" shows an change in climate or weather?
climate
What best describes the difference between estuaries and ponds?
Ponds are freshwater and estuaries are brackish water
Students take turns pushing a large, heavy ball. How can you determine which student uses the most force?
Compare the distances that the ball rolled
radiation
What do fungi and bacteria have in common as single celled organisms?
The can carry out all of life's function
Unequal heating of the land causes air to flow from areas of high pressure to areas of lower pressure describes?
wind (or convection that creates wind)
What two ecosystems would you find rattlesnakes, deer, and rabbits?
grassland and forest
A toy car is pushed across a wooden floor, tile floor, and a carpeted floor. It is hardest to push across the carpet floor, why?
The carpet creates more friction than the other surfaces
Manuel could not open the jar of pickles, so his dad told him to run it under hot water for a few seconds. Then the lid opened easily, why?
Metals expand when they are heated
A scientist is trying to decide whether an organism is unicellular or multicellular. Which information would help the scientist most to make her decision?
How many types of cells are in the organism
What happens to temperature when a warm air mass replaces a cold air mass?
Temperature rises
Describe the role of a first level consumer
Consumers eat producers and pass the energy along in an ecosystem
A rocket is traveling towards space. What force must the rocket act against as it moves away from Earth?
Gravity
Heat energy can be transferred outside from homes through the walls, floor, roof and window. What will reduce the heat loss from the house?
insulation
Bone cells need nutrients. Which two systems get nutrients to the bone cells
Digestive and circulatory/ cardiovascular
A boundary between a cold air mass and warm air mass (1/2 credit for moves weather west to east)
Marco caught a blue crab while he was at the beach with his family. He wanted to take it home and place it in his pond, but was told the crab would not survive. What is the MOST likely reason the crab needs the ocean to survive?
The crab needs the salt water
Kyle rode his bike for 30 minutes. he noticed that he traveled farther in the first 15 minutes then he did in the second 15 minutes. Which conclusion can Kyle draw about his bike ride?
He rode faster the first fifteen minutes
The amount of kinetic (movement) and potential (stored) energies in the molecules of a substance is?
Thermal Energy
How does a paramecium carry out all of life's functions?
By performing all of life's functions in ONE cell
What is an ocean current which originates in the Gulf of Mexico and causes warm water to travel up the east coast of the United States
Gulf Stream
Foxes are consumers of rabbits and mice. If the mice population suddenly decreases, what will most likely happen to the number of foxes?
The number of foxes will decrease because they will only have one remaining food source.
Four objects travel for 10 seconds. How do you know which one traveled the fastest?