Science Week

What causes a convection current?

• warm air falls, and cold air rises

• warm air rises, cold air falls

• microbursts force air downward

• the ozone blocks and absorbs heat

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What role does the atmosphere play in the water cycle?

• it collects and holds water vapor

• it contains all of the groundwater

• it forms ocean currents and storms

• it monitors the saltiness of the ocean

Tags

NGSS.MS-ESS2-4

What is a major characteristic of the mesosphere

• hottest layer

• has weather

• coldest layer

• contains ozone

What is a major characteristic of the stratosphere?

• hottest layer

• has weather

• coldest layer

• contains ozone

Design a project to compare the effects of physical changes (such as temperature and pressure) on different states of matter.

• Heat and cool water, ice, and steam to observe changes in state and record temperatures at which these changes occur.

• Freeze and melt different metals to see which one has the highest melting point.

• Apply pressure to various solids to determine their hardness.

• Observe the color changes in substances when heated without measuring temperature.

Tags

DOK Level 4: Extended Thinking

What state of matter has a definite shape and volume?

• Solid

• Liquid

• Gas

• Plasma

What is not a property of all matter?

• Mass

• Volume

• Color

• Density

What is the boiling point of water?

• 100 degrees Celsius

• 50 degrees Celsius

• 0 degrees Celsius

• 200 degrees Celsius

Tags

NGSS.MS-PS1-4

Which of the following is not a characteristic of gas?

• Has a definite volume

• Fills the shape of its container

• Can be compressed

• Expands to fill its container

What is a major characteristic of the thermosphere?

• hottest layer

• has weather

• coldest layer

• contains ozone