Science group quiz no 3

What is the name of the hypothetical last stage of the evolution of the sun-sized stars

• White dwarf

• Black dwarf

• Gray dwarf

• Red dwarf

• Brown dwarf

A star that pulsate radially,changing both diameter and temperature is called a

• Quasars

• Magnetars

• Pulsers

• Cepheid

In which layer of the atmosphere the aurora is created????

• In the troposphere

• In the Stratospere

• In the thermosphere

• In the mesosphere

What is the most common element (by mass) forming the planet earth???

• Carbon

• Oxygen

• Iron

• Nickel

• Silicon

Does sound travel faster in space?

• No

• Yes

• Sound doesn't travel in space

Something that takes up space and has mass

• Volume

• Matter

• Mass

• Density

A state of matter that has a definite volume and shape

• Solid

• Liquid

• Gas

• Matter

The change between the transformation of chemical energy to electricity is

• Irreversible

• Reversible

• Neither

• Depends on the cell

Who own target?

• Lex Trod

• Brian Cornell

• Daniel Gadon

• Kelly Jonson

What is 783000 divided by 46473

• 42.776742

• 234.4475783

• 16.8484926732

• 4735