breaking a pencil physical or chemical change
it is physical change
living things have in common
eating food
highest point in wave
crest
climate effects who
the climate effects every living thing on earth
# of electrons allowed in first shell
2 electrons allowed in the first shell
3 shared animal & human parts
(any 3 count)
cytoplasm, lysosome, mitochondria, vacuole & vesicles, nucleus, cytoskeleton
define frequency
frequency is the measure of how often repetition occurs
carbon footprint definition
the amount of greenhouse gases an individual or human over all emits into the atmosphere
name of CR on periodic table
Chromium
5 stages of mitosis
interphase, prophase, metaphase, anaphase, telophase
light color do u get adding primary light color
adding blue, red, yellow light together outcome is white light
reason of sea level rising
sea level rising due to melting glaciers & water expansion
define pure substance
a substance made up of only 1 type of particle
explain asexual reproduction
producing offspring from 1 parent and are genetically identical to the parent
where do color come from
sunlight or white light shone through a prism, light seperates into color of rainbow
3 causes to climate change
humans, greenhouse gases, carbon dioxide, pollution
4 evidence in chemical change
Color change, Gas produced, New solid, Odor
meiosis and mitosis difference
mitosis produces 2 identical daughter cell for growth while meiosis produces 4 genetically daughter cells
order wavelength shortest to longest
gamma rays, x-ray, ultraviolet ray, visible light, microwave, radio wave