Three Point Two

How do animals get the nitrogen they need?

• From the air they breathe

• From the water they drink

• From the food they eat

• From the sun

Tags

NGSS.MS-LS2-1

What is the process of combining nitrogen gas with other elements to make nitrogen into usable compounds?

• nitrogen composition

• nitrogen fixation

• ammonia

• denitrification

Tags

NGSS.MS-LS2-3

How does increasing the temperature of a contained gas affect its pressure?

• pressure will increase

• pressure will decrease

• pressure will stay the same

Tags

NGSS.MS-PS1-4

What happens to the pressure in a tire if air is slowly leaking out of the tire?

• pressure decreases because volume decreases

• pressure decreases because temperature decreases

• pressure decreases because number of particles decreases

• pressure increases because volume stays the same

The result of a force distributed over an area is called _____.

• temperature

• pressure

• volume

What happens to the pressure of a gas if its volume is reduced.

• pressure increases

• pressure decreases

• pressure stays the same

If temperature and volume are constant and the number of particles of gas is increased, what is the effect on pressure?

• pressure is decreased

• pressure is increased

• pressure stays the same

What is the atomic number of this element?

• 8

• 15.999

• 16.8

• 24

Tags

NGSS.MS-PS1-1

What is a column of elements on the periodic table called?

• period

• group

• row

• column

What is a row of elements on the periodic table called?

• period

• group

• row

• column