Where does photosynthesis take place in the plant
what is the chloroplasts
What is 24 hours
What is the basic unit of volume
What is liter
how can you make sure results of an experiment are valid
what is repeat the experiement
What is the basic unit of matter
What are atoms
How long does it take Earth to orbit the sun
365 days
does endothermic absorb or release energy
What is absorb
Whats being changed in a experiment is called a
What is a independent variable
What is the basic unit of life
What are cells
How many layers does Earth have
What is four
is burning wood a chemical or physical reaction
What is chemical
What is basic about the experiment and has no effect on that group is called a
What is control group
how many organs are in the human body
what is 12
How long does it take the moon to orbit Earth
What is 27 days
How many decimeters are in 1 meter
What is 10 decimeters
What is the first step in performing an experiment
What is forming a hypothesis
How many vital organs are in the human body
what is 5
How old is Earth
What is 4.5 Billions years old
Repeating a experiment that someone already did is called what
What is repetition
What is the factor being measured in a experiment
what is a dependent variable