chemistry
Atom
what is the unit for measuring speed
m/s Meters per second
What gas is the biggest contributor to the greenhouse effect?
Carbon dioxide(CO2)
What Carry's genetic information?
DNA
What is a producer in an ecosystem
A organism that creates it own food source( plants)
Whats the chemical symbol for water?
H20
what is newtons first law of motion
An object in motion stays in motion unless acted upon
What is one human activity that causes global warming?
burning off fossil fuels, oil
What shape is DNA
double helix
What is the role of decomposers?
Break down dead things and recycle nutrients
What do we call a reaction that realizes heat
exothermic
What is the formula to calculate speed?
Speed=distance divided by time
What is one effect of global warming?
Melting glaciers/ sea level rise
What do we call a different version of a gene
alleles
What is biodiversity
The variety of living organisms in an area
What kind of bond forms when electrons are shared
covalent bond
What type of energy does a moving object have?
kinetic energy
What is the difference between climate and weather?
Climate=long term
Weather= short term
What is a dominant trait
A trait that shows even if only one copy is present
What do we call the path energy takes through a food chain?
energy flow
what is the pH range of an acid
A pH less than 7
What does a flat line on a distance-time graph mean?
No motion, object is stationary
What is one renewable energy source that helps reduce emissions
Solar/wind/Hydroelectric
all are correct
What are chromosomes made of?
DNA's and protein
What is ecological niche?
The role or job of an organisms in an area