A supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
Hypothesis
Which body systems is responsible for reacting to foreign particles and pathogens trying to enter our bodies?
Immune system
The horizontal rows on the Periodic Table of Elements are called ________________
Periods
The transfer of heat through solid materials
Conduction
Organisms in an ecosystem that break down dead organisms
Decomposers
What does PPE stand for?
Personal Protective Equipment
What is the term used to describe the process of cells engulfing foreign particles as part of the second line of defence?
Phagocytosis
The three types of nuclear radiation are called...
Alpha, beta and gamma
A _______________ wave is one in which the particles oscillate at right angles to the direction of wave propagation
Transverse
The planet that is fifth furthest from the Sun in our solar system
Jupiter
If your data is sorted into categories, you should use this type of graph.
Column graph
Epinephrine, serotonin and oxytocin are examples of __________
Hormones
The bond formed between metals and non-metals
Ionic bond
The height of a wave above the equilibrium
Amplitude
The first female Nobel Prize Winner
Marie Curie
Measurements are ____________ if repeated experiments lead to consistent results
Reliable
Dendrites and axons are key structures in the cells that make up which body system?
Nervous system
The first person to describe atoms and proposed atomic theory
Democritus
Compression wave
The pressure from an electrical circuit's power source that pushes charged electrons (current) through a conducting loop
Voltage
A line graph is used to show _____________
Trends / changes over time
The specific branch of the peripheral nervous system that is responsible for your body's "fight or flight response" is the _______________
Sympathetic nervous system
If an atom has 3 valence electrons and forms an ion, what will it's charge be?
3+
The space between compressions
Rarefaction
Force = mass x acceleration
Newton's Second Law of Motion