Questions Flashcards
Exchange of our occurs in
Alveoli
What organ would the blood contain the least amount of oxygen
Vena cava
What is the primary function of the kidney
Filter waste from the blood
What. Observation can be made in the lime water went out is sucked through the short tube
No change
What observation can be made in the lime water when the air is blowing through the long tube
Lime water turns milky
What organ contains filtering units
Kidney
What does the oviduct, Ovary, cervix do
The cervix opens during child birth
Ovary contains eggs
Oviduct carry egg from ovary to uterus
What is the largest and the best known turtle in Fiji
Greene turtle
Coral reef soulmate up of thousands of tiny animals called
Coral polyps
How can soil be conserved
By terrace farming
An example of conservation farming is
Crop rotation
How are coral reefs and mangrove ecosystem similar
They provide medicine, protect shorelines, they both have salty water
What are some of the threat to the mangrove Eco system
Overharvesting of mangroves and dispose of waste
How can you protect mangroves
Afforestation of mangroves in many areas, declare mangrove protected area
How are mangroves threatened by human activities
Sewage disposal in Ocean
Global warming and climate change
How do humans benefit from Coral reefs
They provide economic benefit, protect shoreline, for tourist attraction
How do you humans benefit from mangroves
Provide source of lighting, protects shoreline, improves water quality
A positively charged subatomic particle is called
A proton
What is a property of metal
Mostly exist as solids
The type of chemical reaction where an insoluble solid forms when two solutions are mixed together
Precipitation
Difference between magnetic and a non-magnetic metal
Magnetic metals are those metals that can be attracted by a magnet where is non-magnetic metal is not attracted to the magnet
What are the observations that would be seen after carrying out a copper sulfate solution with the iron nail in it a.k.a. displacement
Reddish brown deposit will be seen on the nails and the color of the solution changes from blue to pale blue or colorless
What is formed when an atom loses electrons
A cation
What is formed when an atom gains electrons
Anion
What is the best magnetic metal
Iron
The positive electrode in electrolysis us is called
Anode
State why elements in group one have same similar chemical properties
Because they have the same number of valence electrons
Why are the elements in noble gases or group 8 unreactive
They are unreactive because The atoms all the elements have a full outer shell of electrons
Atoms are composed of
Electrons and nuclei
What does the esophagus, liver, stomach, pancreas, large intestine, small intestine do
It’s in the paper
What is dissecting pan, methylated spirit, forceps, scapel do
It’s in the paper
How can coral reef eco systems be conserved
By preventing the use of dynamite
