Ecology
Chemistry
Electricity
Space
100
What are species?
Species is the set of living beings able to cross among themselves generating fertile offspring.
100
What is an element?
Pure substance and is made of only one type of atom
100
Current is measured in what unit?
Amperes
100
Is the Sun a low or high mass star?
Low-mass star
200
What is population?
Population is the set of individuals of the same species found in a given place in a given time.
200
As you move left along with the periodic table, the atomic number of the elements tends to...
Decrease
200
What unit is resistance measured in?
Ohms
200
How many planets sre there in our solar system?
8
300
What is a community?
Community is the set of populations of living beings that live in the same region and interact with each other.
300
Name one property of a chemical reaction
Unexpected colour change, Creates heat or light, Has a scent, and Gas or bubbles from.
300
Out of these which is not a good insulator?
Rubber, Wood, Iron, and Plastic.
Iron
300
How many official constellations are there?
88
400
What is an ecosystem?
Ecosystem is a system composed of biotic and abiotic factors in interaction.
400
What charges do neutrons, protons, and electrons have?
Neutrons = Neutral
Protons = Positive
Electrons = Negative
400
Potential Difference can also be called?
Voltage
400
How old is our universe?
13.8 billion years
500
What are abiotic and biotic factors?
Abiotic are non-living elements in an ecosystem while biotic are living elements.
500
An Ionic compound is the result of the bonding of...
A metal and a nonmetal
500
What kind of circuit is this?
Series
500
When something is blushifted does it mean they are moving farther apart or closer?
Closer