1st semester Review

A student draws a model to represent the precesses involved in the water cycle, as shown. To which process is the formation of clouds related?

• Condensation

• Evaporation

• Freezing

• Melting

On Earth, what process generates most of the water vapor?

• Condensation

• Evaporation

• Precipitation

• Transpiration

Water in its gas form is called ____________________,

• water vapor

• precipitation

• ice

• air

What is A?

• Evaporation
• Condensation
• Precipitation
• Runoff

All matter can be classified by their physical properties. Which substance can be classified as being soluble in water?

• Sand

• Paper

• Iron Filings

• Salt

Which of these is the best insulator of electricity?

• Copper Penny

• Plastic Tubing

• Aluminum Foil

• Metal Washer

The chart below shows objects that conduct heat and objects that insulate heat. Which answer choice best completes the chart?

• Glass block

• Gold ring

• Plastic spoon

• None of the above

Students perform an experiment and record their observations. The results are shown in the chart below.

What are the students most likely observing?

• Sinking and floating of objects

• Objects that are not magnetic

• Solids, liquids and gases

• Objects with the greatest density

A student reads the directions on a jar of all natural peanut butter.

Why do the directions suggest stirring the peanut butter?

• Oil from the peanuts separate from the mixture because it is less dense.

• Oil from the peanuts separate from the mixture because it is more dense.

• Salt from the peanuts cause the mixture to separate.

• Water from the peanuts cause the mixture to separate.

The diagram below shows two identical containers and their ingredients.

Which diagram shows what will happen if the two containers are combined?

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