AzSci

What charge do neutrons have and where are they located in the atom?

• no charge, outside nucleus

• positive charge, nucleus

• neutral, nucleus

• negative charge, outside nucleus

What charge do protons have and where are they located in the atom?

• negative charge, nucleus

• positive charge, outside nucleus

• positive charge , nucleus

• neutral charge, nucleus

A pure substance that is a compound is made out of

• particles of more than one type of atom

• particles of the same type of atom

• a mixture of two or more substances that can be physically separated

Tags

NGSS.MS-PS1-1

Gold is an example of a(n) 

• pure element

• pure compound

• pure mixture

What is the definition of matter?

• Anything that has mass and takes up space

• A substance that is liquid, solid, or gas

• Anything that is pure

• Anything that you can see or hold

A state of matter that has a definite volume and shape.

• solid

• liquid

• gas

• matter

Tags

NGSS.MS-PS1-4

Structures that may have similar function but do NOT come from common ancestors

• analogous structures

• homologous structures

• pharyngeal pouches

• vestigial pelvis

Which is true about the Theory of Natural Selection?

• Not all organisms that are born survive to reproduce,

• Organisms compete with each other to survive.

• Variations exist among organisms.

• All of answers are true.

Tags

NGSS.MS-LS4-4

Why do woodpeckers have long beaks to dig into trees for insects?

• As insects became more common, birds that ate more insects grew longer beaks.

• The long beak is an adaptation that helps the bird eat more insects.

• A harmful mutation occured.

• The long beak helps woodpeckers fight off predators.

Tags

NGSS.3-LS4-2

NGSS.3-LS4-3

NGSS.4-LS1-1

Which is a change to DNA that forms new alleles?

• selective breeding

• evolution

• natural selection

• a mutation

Tags

NGSS.MS-LS3-1