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john wants to know which color of container heats water the fastest. he gets a red container, a black container and a white container and fills each with 300 ml of water. the water is at the same temperature for all three containers. he sets the containers on a bench in the sun. he records the temperature of the water in each container every 5 minutes. each container is the same size and made of the same material.

independent variable:

dependent variable:

3 constants:

write a hypothesis for this experiment:

The Independent variable is the color of the containers

The dependent variable is the amount of heat collected by each container

Your hypothesis should be that the black container will contract the most heat.

Independent variable :  color of the containers

dependent variable :  amount of heat collected by each container

hypothesis : the black container will contract the most heat.

~batmans wife dun dun dun

the oldest known insects are believed to live around 400 millions ago as suggested by the fossil records.   some plants having woody stems also evolved during this time.

after the evolution of insects the first four legged species or the tetrapods evolved in shallow freshwater habitats from the intermediate species approximately 397 million years ago. the tetrapods went on conquering the land giving rise to amphibians, reptiles, mammals and birds.

the major split in tetrapods first occurred 340 million years ago branching off from amphibians.

363 million years ago when the carboniferous period began the insects started roaming on land and taking flights, following which the four limbed tetrapods adapted in the terrestrial habitat.