Periodic Table
What element on the periodic table has an Atomic number of 13?
Aluminium!
What is a homogeneous mixture?
Something that looks like one thing but has multiple substances.
When did the first astronaut walk on the moon?
1969!
Where is the safest place to hide from lighting?
A car!
What is the worst invasive species?
Humans!
On a Bohr-Rutherford diagram how do you find the neutrons?
Atomic mass- Atomic number= #n
What does WHMIS stand for?
Workplace Hazardous Materials Information System.
How many moons does Earth have?
Earth has one moon!
Which type of circuit is an Ammeter used in?
A series circuit!
What is the difference between biotic and abiotic?
Biotic: means living things within an ecosystem
Abiotic: means non-living things within an ecosystem
An atom consists of what three parts?
An atom consists of Protons, Neutrons and Electrons.
What is the difference between chemical and physical change?
Chemical change: A new substance has been produced.
Physical change: No new substance has been created.
All stars are formed from a ____?
Nebula!
What is the definition of static electricity?
Static electricity means that a stationary charge is produced from friction creating sparks or a crackling sound on dust or hair.
List off three ways energy is lost or is not transferred from one trophic level to the next.
Waste, Movement and the raise of body temperature.
How many known elements are on the periodic table?
118!
How many electrons can each orbit hold?
2,8,8 the rest
What is the difference between rotation and revolution?
Rotation: means the movement of the earth around it's axis.
Revolution: means the orbit or revolving of the earth around the sun.
Fill in the blanks
____ charges repel one another
_______ charges attract each other
_______ objects attract neutral objects
Like: charges repel one another
Opposite: charges attract each other
Charged: objects attract neutral objects
Wheat---> Mouse---> Owl is an example of what?
It's an example of the direction energy being passed.
Can you name all the families on the periodic table?
Alkali metals, Alkaline earth metals, Transition metals, Non- metals, Halogens and Noble gases
When naming an ionic compound what do you add, when removing the non-metal?
Add -ide in it's place.
Name three health challenges astronauts face in space and why?
-Astronauts often feel sick when they enter space due the slight difference in gravity
- Muscle loss because you're not using the same force
- Bone density loss because you're working against gravity
What are the benefits of a dry cell battery?
The electrolytes turn into a paste preventing leakage and making them safer.
Which organization is the largest of organisms of these Community, Biosphere, Ecosystem, Individual, Biome or Population?
Biosphere is the largest of the organisms!