High School

It is defined as how much substance dissolves in a given volume of liquid.

• density

• electric property

• magnetic property

• solubility

Suppose you have a bag of cans that you want to recycle. The recycling center accepts only aluminum cans. You know that some of your cans contains steel. You would probably find it difficult to tell aluminum cans from steel ones just by looking a them. How would you separate the cans?

• use magnet to separate aluminum from steel

• boil them to separate aluminum from steel

• place them in water to separate aluminum from steel

• all of the above

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Balance this equation

• 6P + O₂ -------> 3P₂O₅

• P₄ + O₂ ------> 2P₂O₅

• 2P + 2O₂ ------> P₂O₅

• 4P + 5O₂ ------> 2P₂O₅

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Identify the cellular organelle that the process of photosynthesis occurs in:

• mitochondria

• chloroplast

• nucleus

• vacuole

Tags

NGSS.MS-LS1-6

Identify the cellular organelle that the process of cellular respiration occurs in:

• mitochondria

• chloroplast

• nucleus

• golgi

Tags

NGSS.MS-LS1-7

What is the simplest level of organization in the body?

• cell

• tissue

• organ

• organ system

Tags

NGSS.MS-LS1-1

A starting substance that is part of a chemical reaction?

• property

• product

• reactant

• atoms

Tags

NGSS.MS-PS1-1

When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?

• Dependent

• Independent

• Control

Tags

NGSS.MS-LS2-1

Which particle contributes the negative charge to the atom?

• proton

• electron

• neutron

• nucleus

At which point is potential energy greatest?

• W

• X

• Y

• Z

Tags

NGSS.MS-PS3-2