V/Invertebrates
Waves
Substances and Properties
Energy and Electricity
Random
100
What organs do fish have that they use for breathing?
What are gills?
100
Label Crest and Trough.
Crest at the top.
Trough at the bottom.
100
Another name for a chemical change is a __________?
What is a chemical reaction?
100
If two magnets are held together with the south poles facing each other, would they attract or repel?
Repel
100
How many chambers does the heart have?
Four chambers
200
What type of symmetry does a starfish have?
Radial Symmetry
200
What type of electromagnetic wave results in sunburn?
What is UV radiation?
200
Are changes in state of matter (solid to liquid or liquid to gas) an example of a physical or chemical change?
Physical change
200
What is the type of energy that a car would possess when it is sat at the top of the hill?
What is potiental energy?
200
This is the type of cell division that occurs when a cell divides into four un-identical cells.
What is meiosis?
300
There are three different types of skeletons: Hydrostatic, Exoskeleton and Endoskeleton. Which is the type that is soft internal structures protected by a thick, hard outer covering?
What is a Exoskeleton?
300
What is Pitch?
It is how high or low a sound seems.
300
When you mix oil and water, the oil sits on top of the water. Is this a homeogenous or heterogenous mixture?
What is a heterogenous mixture?
300
What are the two elements found in Earth's core that creates a magnetic field?
Iron and Nickel
300
The atomic number is the number of _______ and _________
Protons and neutrons
400
Reptiles, birds and mammals do not need water for reproduction, what do they have instead that is found within the egg?
What is the amniotic sac?
400
The ear has the outer, middle and inner. Which part of the ear converts sound waves to nerve signals?
Inner ear
400
What subatomic particles is the nucleus of an atom composed of?
Protons and Neutrons
400
What direction does a magnetic field always travel? (From what pole to what pole?)
North to South
400
What us the main artery of the heart? (hint: begins with an "a")
What is the aorta?
500
What makes Marsupials different from other vertebrate cchordates?
They raise their young in a pouch.
500
Why do mechanical waves travel slower than electromagnetic waves?
Because they have to travel through matter.
500
When a neutral atom loses a electron, is a positively or negatively charged ion formed?
A positively charged ion
500
why do we use copper for wires?
Because it is a good electrical conductor
500
How do you calculate max heart rate? (think back to our lab)
220 - age