What must you wear when conducting an experiment that could potentially harm your eye?
Safety goggles
100
What is biotic and abiotic?
Biotic is living things in an ecosystem and abiotic is a non-living thing in a ecosystem
100
What does Na mean?
Sodium
100
What is static electricity?
Static electricity is a build up of charges on material
100
What is the symbol and unit for power?
Watt and P
200
What does HHPS and MSDS stand for?
HHPS = Hazardous Household Product Symbols
MSDS = Material Safety Data Sheet
200
What is nutrients?
Any substances that a living thing needs to survive
200
What does N/A mean?
Not applicable
200
What is parallel circuit?
In a parallel circuit, the electrons have more than one path to follow. A parallel circuit is an electric circuit that has two or more paths for the current to follow.
200
Can you lose nucleus, protons or electrons?
Electrons
300
Why shouldn't you work alone in an labatory?
Answers will vary
300
What is photosynthesis?
Capture light energy from the sun and transform it into chemical energy
300
Who is the creator of the Atomic Theory? (Give first and last name)
John Dalton
300
What is a phantom load?
This use of electrical energy in a stand by mode
300
What does WHMIS stand for?
Workplace Hazardous Material Information System
400
How many sides does a danger symbol have? Also, what shape is it?
8 Sides, octagonal
400
What does arrow points represent in a food web?
They represents what can eat the animal
400
What is inside an atom?
Nucleus, protons and electrons
400
What resistance would produce a current at 200A with a potential different of 2000V?
V=E/Q
R=V/I
P=VxI
I=Q/T
P=E/T
10 Ohms
400
What are two formulas for power?
P=VxI
P=E/T
500
Is it fine to wear contact lens during an experiment? What can happen?
No, it's not fine, answers will vary
500
What is equilibrium?
The state of balance
500
What did Dalton's Atomic Theory discover?
1. All matter is made up of atoms
2. Each element has its own kind of atom
3. Compounds are created when atoms of different elements link to form molecules
4. Atoms cannot be created, destroyed or subdivided in chemical changes
500
Describe the similarities and differences between a conductor and an insulator. Include examples of each comparision.
Conductor: a meteral in which electrical charges can move easily. E.g Copper wire
Insulator: a material in which electrical charges cannot move easily. E.g Plastic, rubber
500
What are the 5 factors that limits populations in ecosystems?
Parasites, competition, predators and prey, different populations compete and plant competitions.