Physical & Chemical change
is ice melting into water a physical or chemical change?
physical
I am a cell that divides into 2 identical cells and am important for growth and repair. What am I?
Mitosis
If I am shiny, malleable and conduct heat and electricity, what am I?
A metallic element (A metal).
What is the independant variable?
The variable that gets changed.
Who is the 3rd person on the roll?
Grace
this energy stays the same
energy transfer
what part of the digestive system transports food from mouth to the stomach through muscle contractions?
oesophagus
how do we know something is a chemical change?
the substance turns into a new product
what is a gamete?
a reproductive cell of an animal or plant.
What are the three different matters in a particle model?
Solid, liquid and gas.
Calculate the average of these 3 numbers.
44, 45, 46.
45
What is the most common letter that starts peoples first names?
L
define the 'law of conservation of energy'
cannot be created or destroyed, only stored.
what stores waste before it is excreted from the body?
stomach
how do we know something is a physical change?
it changes form but not identity
Name the organ that houses and nourishes the a fertilized egg, developing it into a fetus.
uterus
What is a compound?
2 or more different elements joined together.
What is a Dependant Variable?
The thing that changes because of the Independent variable. Also, the thing that you measure.
When is your exam?
Thursday 21st November
someone falling is an example of what energy?
gravitational energy
what is the role of the skeletal system?
gives the body its shape and support
what is the function of the nucleus?
controls the activities of the cell
Where does internal fertilisation occur?
Inside the body.
What is an atom made up of?
protons, neutrons and electrons.
What is the controlled variable?
The varible that remains the same to keep it fair
How many people have the last name that starts with S?
M
what is kinetic energy?
energy in motion
a muscle that moves up and down to help expand your lungs
diaphram
is iron rusting a chemical or physical change?
chemical
what are the four phases of the menstrual cycle?
Menstruation, follicular, luteal and ovulation
What is an element?
A collection of atoms that are the same.
What is the purpose of a 'line of best fit'?
To represent the behaviour of a set of data to determine if there is a certain pattern.
What does Miss Dove normally teach?
Drama and English
what is energy efficiency?
using less energy to perform the same task
these put oxygen in your bloodstream
lungs
the cell wall
Which part of the male reproductive system produces sperm and releases testosterone?
The testes.
What is inside the nucleus?
Protons and neutrons
Why do we use graphs for experiments?
To visually follow trends that appear in the data and use those trends to make predictions.
What month is Miss Doves birthday?
December
what is energy transformation?
the process of one type of energy changing or being converted into another.
carry oxygenated blood away from the heart to various parts of the body.
arteries