How many chromosomes are in the human body?
46
Liquid A has a higher density than liquid B. Liquid A will _____________ in liquid B
sink
The temperature at which water becomes steam
boiling point
What are the building blocks of life?
cells
A process by which plants use the sun's energy to make food
photosynthesis
What is inside your chromosomes?
DNA
An object has a density of 2.4 g/cm3. Will it float in water? *
No, its density has more than the density of water
Kool Aid mix and water. Which one is the solvent?
water
Which system is responsible for removing waste?
digestive
A non living thing is
abiotic
The scientific study of heredity is
Genetics
A substance with a high density has atoms ____________________ packed into a certain volume
tightly
All matter has the following properties
mass and volume
Bones meet at ---?
joints
As more people have moved to the beach, the sea turtle population has decreased. Which is most likely the cause of this decrease?
habitat loss
About how many genes does the human body have?
20,000
A substance with a low density has atoms ____________________ packed into a certain volume
loosely
When hot air/liquid rises and cool air/liquid sinks. What kind of heat transformation do you have
convection
What is the tube that goes from your mouth to your stomach?
esophagus
What will most likely happen to this food chain if a farmer decides to dust a wheat crop with an insecticide? wheat → insects → sparrows → hawks
There would be fewer sparrows seen in the fields.
Who is the father of genetics?
Gregor Mendel
What is the formula of Density?
D=m/v
A sample of atoms in a lab began to move much more rapidly and randomly than before. What MOST likely caused this change?
Heat was added to the atoms.
Which system has the brain as the main organ?
nervous
A carnivore that feeds on the bodies of dead organisms
scavenger