Science Doodle Review Page One

Science Doodle STAAR Review 1

Solubility Vocab

• Solubility--the ability to be dissolved, especially in water

• Solute--the minor component in a solution, dissolved in the solvent

• Solvent--the liquid in which a solute is dissolved to form a solution

• Soluble--can dissolve in water

• Insoluble--cannot dissolve in water

​Solubility - ability to dissolve and form a solution

Multiple Choice

Which is an example of a solute?

• Egg whites

• Sugar

• Water

• Acetone

Multiple Choice

Is salt soluble or insoluble?

• soluble

• insoluble

Multiple Choice

Are oats soluble or insoluble?

• Soluble

• Insoluble

Multiple Choice

A student accidentally places a tray filled with ice cubes in the refrigerator instead of the freezer. When she finds the tray the next morning she notices that –

• the ice cubes have remained solid

• the ice cubes have melted and are liquid

• the trays are empty because the water has evaporated

• none of the above are correct

Multiple Choice

Students are making homemade ice cream by mixing milk, cream, and sugar together in an ice cream maker. What must occur before these ingredients become ice cream?

• The temperature of the ingredients must be lowered.

• The ingredients must be evaporated.

• The temperature of the ingredients must be increased.

• The ingredients must be condensed.

Multiple Choice

When water goes from the liquid state to the gas state it is called –

• freezing

• evaporation

• melting

• condensation

Multiple Choice

In an experimental investigation, hot water is poured into a glass and the top is covered with plastic wrap. What will the students most likely observe after waiting five minutes?

• Water droplets will form on the outside of the plastic wrap as the water vapor cools.

• The amount of water inside of the cup will increase due to evaporation.

• Water droplets will form on the inside of the plastic wrap as the water vapor cools.

• The water inside the glass will freeze as the water cools.

Multiple Choice

When water goes from the liquid state to the solid state it is called – FG H J

• evaporation

• freezing

• melting

• condensation

Multiple Choice

The temperature when a solid changes to a liquid -

• melting point

• freezing point

• boiling point

• evaporation point

Multiple Choice

What is happening at the boiling point?

• liquid to gas

• solid to liquid

• gas to liquid

• liquid to solid

Multiple Choice

What is happening to the ice at melting point?

It will change from __________________

• liquid to gas

• gas to liquid

• solid to liquid

• liquid to soild

Multiple Choice

The Melting point of ice is ...........

• 100 ^oC

• 0 ^oC

• -2 ^oC

• 25 ^oC

Multiple Choice

Put the liquids in order from most dense to least dense?

• 4, 3, 2, 1

• 1, 2, 3, 4

• 3, 4, 2, 1, 

• 4, 3, 1, 2

Multiple Choice

Which liquid is the least dense?

• oil

• water

• syrup 

• plastic bottle

Multiple Choice

Why do ice cubes float in a  glass of water?

• the ice cubes are more dense than the water

• the water is more dense than the ice cubes

• the water is more dense than the glass

• the ice is more dense than the glass

Multiple Choice

Look at this image.  Which object has the LOWEST density in water? How? 

• The Ping Pong Ball because it floats to the top 

• The bolt because it has sunk to the bottom

• The soda cap because it is not just full of air like the Ping Pong ball

Multiple Choice

Why do the liquids form different layers?

• They have different densities.  

• They have different masses.  

• They have different volumes.  

• They are different temperatures.  

Multiple Choice

An object should float in a liquid if it is 

• Denser than the liquid 

• Less dense than the liquid

• Lighter than metal

•  Shaped like a ball 

Multiple Choice

Honey is ___________ than water.

• Less dense

• More dense

Multiple Choice

What is relative density?

• If an item is magnetic or non-magnetic.

• It an object floats or sinks in water.

• If an item dissolves in water or not.

• If a substance is a solid, liquid, or gas.

Multiple Choice

Which liquid is LESS DENSE than water?

• Oil

• Water

• Honey

Multiple Choice

Which vocabulary word means SINKS?

• Less dense

• More dense

Multiple Choice

Less dense =

• Floats in water.

• Sinks in water.

Multiple Choice

What is energy?

• Force

• The ability to do work

• Electricity

• The ability to transform work

Multiple Choice

 

Which type of energy is best seen in the picture?

• Chemical

• Sound

• Electrical

• Radiant

Multiple Choice

What type of energy is seen here?

• Sound

• Nuclear

• Thermal

• Mechanical

Multiple Choice

What type of energy do we use to cook food?

• Radiant

• Electrical

• Nuclear

• Thermal

Multiple Choice

The toy oven shown uses a lightbulb to bake small cakes. What types of energy does the toy oven use to bake the cakes?

• Light and sound

• Electrical and thermal

• Thermal and mechanical

• Mechanical and electrical

Multiple Choice

A student made a list of activities that involve energy. Which activities on the list are examples of the use of mechanical energy?

• Activities 1, 4, and 6

• Activities 2, 4, and 5

• Activities 1 and 2

• Activities 3, 5, and 6

Multiple Choice

Three different objects that use the same source of energy are shown. What is the energy source for these objects?

• Light energy

• Mechanical energy

• Sound energy

• Electrical energy

​Mixtures and Solutions

Multiple Choice

This is a type of mixture where one substance dissolves into another

• Solution

• Miscibility

• Compound

• Solubility

Multiple Choice

This is an example of a

• Solution

• Mixture

Multiple Choice

This is an example of a

• Solution

• Mixture

Multiple Choice

If a substance cannot be seen in water, it

• is not soluble.

• can't be dissolved.

• is soluble.

Multiple Choice

Which physical property would be most useful in separating wood beads from clay beads?

• Solubility

• Density

• Magnetism

• Mass

Multiple Choice

Several ways to separate mixtures are listed below:

A student is given a mixture of sugar and water. Which of the ways listed above is the best way to separate the mixture?

1. Pour the mixture through filter paper.

2. Use a magnet to collect one part of the mixture.

3. Evaporate the water by boiling the mixture.

4. Use tweezers to collect one part of the mixture.

• 1

• 2

• 3

• 4

​Renewable or Alternative Energy

Multiple Choice

Geothermal energy is energy from

• the sun.

• the natural heat inside the earth.

• dead plants.

Multiple Choice

Wind energy is

• generated from water.

• from moving air and generates electricity.

• started from the sun.

Multiple Choice

Energy from the sun is called

• hydropower energy.

• geothermal energy.

• solar energy.

Multiple Choice

Renewable resources -

• man-made resources

• materials from the earth that cannot be replaced with in a reasonable amount of time

• materials from the earth that can be replaced

Multiple Choice

Fuel made from plant and animal waste -

• bio fuel energy

• hydro power energy

• solar energy

Multiple Choice

Non-renewable resources -

• man-made resources

• materials from the earth that cannot be replaced with in a reasonable amount of time

• materials from the earth that can be replaced