Spring Test Prep

What is a parasite?

• Chemicals that make animals skins numb

• An organism that shares food and energy with another organism.

• An organism that takes food and energy from another organism.

• An organism that makes its own food.

Symbiosis is all of the following except:

• A relationship between two living things

• A relationship in which two living things help each other

• A relationship in which one organism causes harm to another.

• A relationship in which two living things protect one another

The hydrosphere includes all ___________

• air

• life

• water

• rocks

In which of the following would you find nitrogen?

• soil

• oceans

• atmosphere

• all of these

The biosphere includes all ___________

• air

• life

• water

• rocks

________________ is the thickness of a fluid, liquid's resistance to flow.  

• bouyancy

• viscosity

• magnetism

• hardness

Rusting metal is an example of a _________ change.

• conservation of matter

• state

• chemical

• physical

When salt water is heated leaving behind solid salt, this is separating a mixture by what method?

• chromatography

• evaporation

• filtration

• solution

Your science teacher (Mr. Webb) gives you three liquids to pour into a jar. After pouring, the liquids layer. What property of matter prevents the three liquids from mixing together to form a solution?

• color

• density

• mass

• texture

Jenny has a mixture of sand, common salt, and Kool-aid powder.  She adds some water to the mixture.  Which of these can be separated easily from the mixture after adding water?

• sand

• sugar

• common salt

• Kool-aid powder