NS Flashcards
how is light energy transferred to us from the sun
by radiation
how many DEGREES HOT IS THE SUN
5 500 Degrees
how does the earth get hot
the infrared radiation coming from the sun which if absorbed by gases and objects on the earth warming them up
what is the imaginary ling that goes through the earth called
the earths axis( its tilted at an angle of 23,5)
what is the spinning movement around the axis called
a rotation
how do we get different seasons
because different intensities of light reach the Northern and Southern hemispheres at different times of the year
what do all living things need in order to make energy
food
what do plants use in the process of photosynthesis
sunlight from the sun
carbon dioxide from the atmosphere
water from soil
animals that get food by eating plants
herbivores
animals that eat other animals
carnivores
animals that eat plants and animals
omnivores
what does the radiation of the sun allow
it allows gases and objects on the earth to heat up
what does the water cycle depend on
on the energy of the sun
fossil fuels
coal, oil and gas
what type of energy is stored in these fossil fuels
chemical energy
why do we burn fossil fuels
for heat and electricity. Today we are very dependent on fossil fuels