Cells and Plants
Chemical World
Energy
Body Systems
Working Scientifically
100
What is the basic unit of all living things?
Cells
100
What is a pure substance made of one type of atom called?
Elements
100
The type of energy found in moving objects
Movement/Kinetic energy
100
This system is responsible for giving shape to the body and protecting vital organs.
Circulatory system
100
What is Mr Newbury's acronym used to remember all the things a good graph needs?
Double points if you can state the full acronym
CUTLASS
Crosses, Units, Title, Line of best fit, Axis labels, Size, Scale
200
Where in an animal cell is DNA found?
The nucleus
200
Is water an element, compound or mixture?
Compound
200
Energy stored in food, fuel, or batteries is known as this
Chemical energy
200
Which organ in the digestive system absorbs water from the food after it has been digested
Large intestine
200
What is Mr Newbury's acronym for remembering the variables?
Bonus points: Can you say what each variable is?
I Don't Care, Chocolate Milkshakes Suck!
Independent: Change
Dependent: Measured
Controlled: Same
300
What organelle is the 'powerhouse of the cell'?
The Mitochondria
300
Name 3 separation techniques
Magnetic separation
Distillation
Decanting
Evaporation
Filtration
Centrifuging
300
what is the difference between an energy transformation and an energy transfer?
A transfer is the movement of energy between different objects without a change in the type of energy.
A transformation is when one type of energy changes into another form of energy (eg. electrical energy into heat)
300
Name 3 organs found within the female reproductive system that are not found within the male reproductive system
Ovaries
Fallopian tubes
Uterus
Cervix
300
In what circumstances would you use a column graph?
When you are working with numbers and categories
400
Do plants produce sexually or asexually?
Sexually (they have male and female gametes)
400
Explain the difference between a physical and chemical change
Physical change involves a change in shape or form, without affecting the type of substance.
Chemical change involves a chemical reaction and therefore the creation of new substances from the initial substances.
400
The law that states energy cannot be created or destroyed, only transformed or transferred.
Law of Conservation of Energy
400
This system controls the body’s responses using electrical signals sent through nerves
The Nervous system
400
What is a hypothesis?
What you think will be the outcome of an experiment, prior to performing it
500
State 3 differences between plant and animal cells
Plant cells have rigid cells walls, animal cells have flexible membrances
Plant cells have chloroplasts, animal cells do not
Plant cells use photosynthesis for energy, animal cells use the mitochondria
500
What separation technique is used to separate a mixture of liquids based on their boiling point?
Distillation
500
A portable speaker converts 250J of electrical energy into 80J of heat, 45J of movement energy and 125J of Sound energy. What is its efficiency?
50%
500
This type of muscle is found only in the heart.
Cardiac muscle
500
Are these two variables related?
No, this is an example of correlation but not causation