Biology
What is the smallest unit of any living thing?
cell
an independent variable is
what you change
what causes the seasons
Earth's tilt
What happens to the acceleration of an object if the force used on it increases
the acceleration increases
What is it called when birds fly to warmer climates for the winter?
migration
Which organelles set plant cells apart from animal cells? name 2
large vacuole, cell wall, chloroplasts.
a dependent variable is
what you measure or observe
Earth is divided into two halves called
hemispheres
a seatbelt helps protect you in a car accident by exerting a force in the _____ direction
opposite
What is the largest known living land animal?
elephant
What structure is responsible for holding genetic information?
DNA
a constant or control is
what you keep the same in an experiment
which celestial event occurs when the Moon passes directly into Earth's shadow
lunar eclipse
you have two forces acting on an object. One pulling to the right with 50 newtons and another pulling to the left with 20 units. What is the direction and force the object will move in
30 units to the right
What is the hardest substance in our body?
teeth
what's the difference between sexual and asexual reproduction?
asexual - 1 parent
sexual - 2 parents
a statement that communicates a scientists' prediction
hypothesis
Why does the moon appear to change phases?
its position in orbit around the Earth
Where on a magnet are the forces the strongest?
the poles or ends
Which parts of our body keep growing throughout our lives?
ears and nose
In the event that you have a heterozygous genotype, which allele is expressed in your phenotype (physical appearance)?
the dominant allele
what is the difference between a qualitative and quantitative observation?
QUALitative is observations using the 5 senses
QUANtitative is numerical
How much of the moon is lit at any given time?
half
What happens to the pull of a magnet if you are closer to the magnet?
the force is stronger
What is the largest internal organ in the human body?
liver