Nature of Science
Name the piece of lab equipment that you use to heat materials
Hotplate, bunsen burner
What is biology?
Biology is the study of living things.
Name the three states of matter
Solids, liquids, gases
Name an instrument used to measure length
Trundle wheel, ruler, meter stick etc.
Name the planet closest to the sun
Mercury
What is the first step of the scientific method
Ask a question
Name a difference between animal and plant cells
cell wall, chloroplast, vacuole, shape
What is the term for when a state changes from a solid to a liquid
Melting
What lab equipment to we use to measure volume of a liquid
Graduated cylinder
What does a moon do
Orbits planets
What is a hypothesis?
A hypothesis is an educated guess based on background research
Why do veins have valves
To prevent backflow of blood against gravity
Give an example of an element
.....
What units are used for speed?
metres per second
kilometres per hour
What causes the seasons
The tilt on the earth as it rotates around the sun
How might a scientist share their work?
Internet, books, conferences , word of mouth etc
What is the function of the lens in the micropscope
to magnify and view samples
What is the difference between a compound and a mixture?
A compound is two or more elements combined together chemically whereas a mixture is two or more elements mingled together physically
If something is more dense than water will it float or sink
sink
What is the outer layer of the earth called
The crust
Why is science important?
......
What is gaseous exchange?
Transfer of oxygen into bloodstream and carbon dioxide out of bloodstream that happens in the alveoli in the lungs
What is the name of the scale that tells you how acidic or basic a substance is
pH scale
What is displacement?
Distance in a given direction
Explain the greenhouse effect
Suns rays trapped in atmosphere heating earths surface