Common

What is a homologous structure?

• having a body part that has no known function

• similar structures in more than one organism because they evolved from a common ancestor

• a structure that evolved to help an organism survive in their environment

• similar structures that evolved independently in two living organisms to serve the same purpose

Tags

NGSS.MS-LS4-2

What is density?

• How much space something takes up

• A measure of mass per volume

• How heavy something is

• How light something is

What do you use a graduated cylinder for?

• To measure volume

• To measure mass

• To measure weight

• To measure temperature

Net force is the total forces acting on an object or person.

• True

• False

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

How do you test the hardness of a mineral?

• You use a streak plate

• By smashing it with something hard

• You look at the color

• By scratching it with something like a nail or hard sample

Which answer describes the difference between the cell wall and the cell membrane?

• The cell membrane is the thinner layer inside the cell, and the cell wall is the thicker, more rigid outer layer.

• The cell membrane is the thicker, more rigid outer layer, and the cell wall is the thinner layer inside the cell .

Tags

NGSS.MS-LS1-2

Which of these three substances boils at the highest temperature?

• Sugar

• Carbon dioxide

• Water

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

We know wood burning is a chemical reaction because ______.

• a gas is produced seen by the smoke rising.

• the phase of the wood changed from liquid to gas.

• the wood gained mass

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

What is a common characteristic of all living organisms?

• They all have a nervous system.

• They all reproduce.

• They all have a backbone.

• They all can fly.

Tags

NGSS.MS-LS1-4

NGSS.MS-LS4-4

Which of the following is a common method for separating mixtures?

• Filtration

• Combustion

• Oxidation

• Sublimation