21 questions
What kind of potential energy does a spring have?
chemical
Gravitational
Elastic
None
What kind of potential energy does a battery have?
Chemical
Elastic
Gravitational
None
Which of the following shows gravitational potential energy?
girl kicking a ball
a woman reading
A boy on the top of a slide
a man walking a dog
Which of the following has chemical energy?
Food
Ball on a table
scissors
spring
If a kid has a battery-operated car, what is its source of energy?
Grass
heat energy
solar energy
chemical energy
Which of these shows the transfer of energy in a flashlight?
electrical ~ light
light ~ electrical ~ chemical
chemical ~ electrical ~ light
There is no energy transfer
Which of the following shows kinetic energy decreasing and potential energy increasing?
stone on the ground
a rubberband in someone's hand
a rock at its highest point in the air
stretching a rubber band
Which of the following shows transfer of energy in a firework going off?
There is no transfer of energy.
The kinetic energy is changed to chemical and then light and heat energy
The potential energy is transferred into kinetic when it soars through the air
The potential energy is changed into chemical energy when it soars through the air.
What happens when speed is increased on an object?
Nothing
Potential energy is increased.
Kinetic energy is increased
Kinetic energy decreases
Which of the following energy transfer doesn't seem correct.
176 to 172
88 to 91
264 to 764
441- 439
Which type of heat transfer comes from the sun?
convection
conduction
radiation
What type of energy transfer comes from a fire?
solar
conduction
convection
radiation
When you open the door to a room with cool air and it's hot outside, what happens to the temperature of the room and just outside the door
They stay the same
They both decrease in temperature
The cool room gets warmer and the temperature just outside the door gets cooler
The room gets cooler and it gets hotter outside
How do we get ocean currents?
Rotation of earth
change in magnetic field of earth
temperature differences in water
movement of tectonic plates
What makes movement in deep ocean currents?
ocean life
seafloor spreading
surface wind
temperature differences and salinity
Which factor least effects deep ocean currents?
temperature
salinity
wind
density
Which describes a sea breeze?
Occurs during the day and winds blow from the sea to the land.
Occurs at night and winds blow from the sea to the land
Occurs during day and winds blow from land to sea
Occurs during night and winds blow from the land to the sea.
Which of the following doesn't show an environmental friendly method of farming?
Using a mesh net to protect plants from bugs
Spraying insecticides to kill bugs
Burning wood to smoke out bugs
Burning bugs off plants
How does the Coriolis effect impact winds?
They cause wind direction and speed to change randomly
It effects wind direction but not speed
It increases wind speed but not wind direction
It causes wind speed to decrease but doesn't effect wind direction
How does the Gulf Stream effect the climate along the east coast of Florida?
It doesn't effect the climate
It keeps the east coast cooler
It keeps the east coast warmer in the winter and in the summer
It keeps the east coast warmer only in the winter
A spoon in a cup of hot water would be an example of which energy transfer
conduction
convection
radiation