Science Flashcards
(52 cards)
What’s the job of a nucleus in a cell
Carries genes that control the cell
What’s cryptoplast in a cell
Watery fluid in which parts of the cell float
What the job of the cell membrane
Controls what enters and exits the cell
What’s the job of the ribosomes
Makes protein
Whats the job of mitochondria
Releases energy from food
What the job of chloroplast in a plant cell
Contains a green pigment ( chlorophyll) this is where photosynthesis occurs
What’s the job of the vacuole in a plant cell
Stores food and water
What’s the job of a cell wall
Provides protection, shape and structure
What do do you have to do to find the volume
Length x width x height
What the definition of volume
The amount of space an object takes up
How to find the mass
Use the mass balance
Mass definition
The amount of material in an object
How to find the density of something
Mass ➗ volume
What are the three states of matter
Gas, solid and liquid
Definition of atoms
Smallest particle of matter ( makes up everything)
Definition of molecules
Two atoms bonded together
Element
Molecules of only one type of atom
Compound
Molecules of more than one type of atom
What’s the 6 stages in the scientific method
Observe
Research
Hypothesis
Experiment
Conclusion
Share results
What does independent variable mean
It is a factor I change to see what happens
What is a dependent variable
It is a factor I measure in response to the change I made
What is the control group
No change made to the independent variable and measure what happens to the dependent variable
What is fair testing
Only changing one variable at a time . Everything else remains the same
Draw a graph on paper
Draw a graph
