Year 9 Science End of Year review

What is an ecosystem?

• The study of how organisms interact with living and non-living factors around them

• The non-living and physical factors of an environment

• The living and dead factors of an environment

• Living and non-living factors interacting to form an environment

What makes up the Central Nervous System?(Select all that apply)

• Brain

• Spinal cord

• Peripheries

• Sensory neurons

Electricity is created...

• from electrons orbiting the nucleus

• from free-moving electrons

• from electrical potential energy

• from a wire

Tags

NGSS.HS-PS1-1

Static Electricity is....

• an imbalance of charge due to friction between two conductors

• charges flowing through a person, causing them to get shocked

• an imbalance of charge due to friction between two insulators

• charges flowing through the carpet, causing people to get shocked when they step on it

Tags

NGSS.MS-PS2-5

In this symbiotic relationship, one organism (the parasite) benefits and the other organism is infected and harmed (the host). This is:

• Parasitism

• Commensalism

• Predation

• Mutualism

In this symbiotic relationship, both organism benefit. This is:

• Predation

• Commensalism

• Mutualism

• Competition

The _______ of an elements equals the number of protons in an atom of that element

• Mass Number

• Atomic Number

• Atomic Weight

• Isotopes

Where are protons and neutrons found in an atom?

• In the atomic number

• Inside the nucleus

• Outside of the nucleus

• In the electron zone

When atoms bond with each other, they exchange

• Protons

• Neutrons

• Electrons

What is the symbol of Calcium

• Cr

• Ca

• Cu

• C