biology unit
what is biology?
the study of living creatures reproducing.
what are the three main stages of matter?
solid,liquid,gas
what is an example of a source of electrical energy?
battery,wall outlet,generator,car battery
what is global warming?
when carbon dioxide collects in the atmosphere and absorbs sunlight heating up the planet.
is earth an example of matter?
yes earth and everything on earth is matter. EVERYTHING IS MATTER.
how many chromosomes does a healthy humans body cell have?
46
what do liquids take the shape of?
there container
what is a condutor?
something that allows electricity to flow through it.
what is the main cause to pollution?
burning fossil fuels .
is a lightbulb an example of physics?
yes a lightbulb involves electricity witch is physics.
how do gametes become haploid?
they go through meiosis
how many atoms are in H202?
4
what is omhs law?
V=IR
what is an example of a primary consumer?
a grass hopper.
what is static charge?
a charge that stays in place for a long time.
what is a homologous chromosome?
chromosomes that are paired
where are the most atomic atoms located in the periotic table?
bottom left corner
if you rub a balloon on a cats back what is the charge of the cat?
positive
how long would it take for something to go around the great ocean conveyor belt?
500 years
what is an example of a tertiary consumer?
great horned owl.
what are all of the stages in mitosis?
prophase, prometaphase, metaphase, anaphase, and telophase.
what is the fourth stage of matter?
plasma
who invented the first van de graaf generator and what is a van de graff generator?
Robert Jemison Van de Graaffmade the first van de graaf generator, a machine that creates static electricity.
what are the three main cycles in nature?
carbon cycle,nitrogen cycle,phophorous cycle.
what is the most reactive metal on the periodic table?
Caesium