Students create a model to show how a swimming pool warms by convection, as shown. swimming pool
water
heater
Will the entire pool be warmed by only using one heater, and why?
Yes. The cold temperature will be transferred to the air because the warm water from the heater pushes against the cold water.
o Yes. The heater warms the water in the entire pool because it warms the water at the bottom, which circulates to the top.
O No. The heater will not be able to heat the entire pool because water is a poor conductor of heat.
O No. The water warmed by the heater remains at the bottom of the pool because it has more thermal energy,

Previous pagenext pagepage 3 of 10question 3 (1 point)which of the following consist of cells that do not have a nucleus? of the above

For a to be healthy, it has to have lots of different kinds of plants and animals. all of the different types of plants and animals in an ecosystem. name four types of ecosystems from those listed in the video. b) c) d) most living things live here. all living things depend on how an ecosystem like a game of sticks? why should we build new buildings on existing land? name four extinct species from those listed in the video. b) c) d) the best way to wipe out a species is to the largest ecosystem in the world is this percent of the world is covered by water. how many of all species in the world live in the ocean? list five things you can do to increase biodiversity. b) c) d) e) how many species are we losing per hour?

Aflashlight battery is an example of a) potential energy b) kinetic energy c) thermal energy d) solar energy