what is an independent variable?
factor that is changed in the experiment.
what are the inner planets (in order)
1. Mercury
2. Venus
3. Earth
4. Mars
what is weather?
weather is the state of the atmosphere in a particular place and time.
what is the male part of a flower and what does it do?
the stamen. it makes pollen.
what does the liver do?
filters blood and makes bile to break down fats.
what is a quantitative observation
collecting info. using measurement tools.
what is the hottest planet?
venus
what is a hygrometer used for?
measures humidity.
what is the female part of a flower and what does it do?
the pistil. it recieves pollen.
what system makes blood cells in the bone marrow?
skeletal system.
what word does each step in the procedures need to start with?
a verb
why does the sun appear to be the brightest?
bc it is the closest to us (earth)
what is climate?
climate is the average weather in an area over a long period of time.
what is the plant life cycle?
1. seed
2. germinate (sprout)
3. seedling (young plant)
4. adult plant
what does your gallbladder do?
store and concentrate bile into the small intestine.
an exploration to the answer to a question.
what does revolution and tilt cause?
seasons
how is it in the tropical zone.
hot and humid.
what does the stem do?
supports plants and transports water and nutrients.
what is special about the skin?
it is the biggest organ.
what is an experiment
a scientific investigation that searches for answers in the natural world through testable questions that can lead to a hypothesis to be proved or disproved.
do outer planets have shorter orbits?
no, they have longer orbits.
how are deserts.
very hot during the day and cold at night.
what do leaves do?
create food for the plants (photosynthesis).
what do ligaments do?
connect bone to bone.