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1. The formation of rust is a                change.

a.   physical

b.   chemical

2. Evaporation of water is a                change.

a.   physical

b.   chemical

3. Tearing paper in strips is a                change.

a.   physical

b.   chemical

4. A firecracker popping is a                change.

a.   physical

b.   chemical

5. Which is an example of a chemical change?

a.   A balloon is blown up.

b.   Ice melts.

c.    Paper burns.

d.   A metal pan heats on the stove.

6. Which is an example of a physical change?

a.   Metal rusting.

b.   Silver tarnishing.

c.    Water boiling.

d.   Paper burning.

7. Burning a match is an example of a

a.   chemical change.

b.   physical change.

c.    chemical property.

d.   physical property.

8. Which of the following is an example of a physical change?

a.   Mixing baking soda and vinegar together, and this causes bubbles and foam.

b.   A glass cup falls from the counter and shatters on the ground.

c.    Lighting a piece of paper on fire and the paper burns up and leaves ashes.

d.   Baking a birthday cake for your mother

9. Which of the following is an example of a chemical change?

a.   Filling up a balloon with hot air.

b.   Taking a glass of water and freezing it by placing it in the freezer.

c.    A plant collecting sunlight and turning it into food.

d.   Your dog ripping up your homework.

10. Describe what the difference is between a physical change and a chemical change.

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1. A mixture consists of two or more elements or compounds that are chemically combined, not physically mixed.

a.   True

b.   False

2. In a mixture, components lose their properties to form a new substance.

a.   True

b.   False

3. Both of these foods would be classified as a homogeneous mixture.

a.   Chicken noodle soup and fudge ripple ice cream

b.   Soda pop and chocolate ice cream

c.    Rocky road ice cream and an orange

d.   Watermelon and spaghetti with meatballs

4. What type of mixture will not allow light to pass through?

a.   Suspension

b.   Colloid

c.    Solution

d.   Mixture

5. A mixture of two or more uniformly dispersed substances is a(n)

a.   Colloid

b.   Solution

c.    Suspension

6. A liquid mixture in which particles can be seen and easily separated by settling or filtration is a

a.   solution

b.   suspension

c.    solvent

d.   solute

7. A solution which holds a higher concentration of a solute than is normally possible at a certain temperature and pressure is called a                .

a.   solute

b.   solvent

c.    supersaturate

d.   mixture

8.  is the substance in a solution that dissolves.

a.   Filtration

b.   Solute

c.    Solvent

9. What is the definition of a solvent?

a.   The substance that is dissolved.

b.   The substance in which the solute is dissolved.

c.    Unable to be dissolved.

10. What is often called the universal solvent?

a.   sodium chloride

b.   oxygen

c.    sodium

d.   water

11. If a material's composition varies from region to region it can be classified as

a.   homogeneous

b.   heterogeneous

12. A suspension is composed of substances that are evenly among each other.

a.   True

b.   False

# data[].attributes.body
1.  Three states of matter are                         .

a.       solid, liquid, and gas

b.      buoyancy, mass, shape

c.       gas, liquid, and mixture

d.      density, weight, and gas

2.  The particles of matter making up a                are packed together tightly.

a.       piece

b.      liquid

c.       gas

d.      solid

3. The temperature at which a substance changes from a solid to a liquid.

a.       boiling point

b.      melting point

c.       pure substance

4. Which would cause liquid water to change to a solid?

a.       warming

b.      heating

c.       freezing

d.      dripping

5. How can a liquid become a solid?

a.       By something removing heat from it and slowing down the particles.

b.      By something removing heat from it and speeding up the particles.

c.       By something adding heat to it and slowing down the particles.

d.      By something adding heat to it and speeding up the particles.

6. A SOLID is all matter that has a shape of its own.

a.       True

b.      False

7. Which state of matter is easily compressed and easily changes shape to fill its container?

a.       solid

b.      liquid

c.       gas

d.      plasma

8. An example of a gas is

a.       chocolate syrup

b.      a rock

c.       pencils

d.      helium

9. What type of substance can be poured and takes the shape of its container?

a.       Liquid

b.      Gas

c.       Solid

d.      Plasma

10. Sand is a liquid because it takes the shape of its container.

a.       True

b.      False

11. Sublimation is when a                 changes directly to a                .

a.   solid, liquid

b.   gas, liquid

c.    plasma, gas

d.   solid, gas

12. Is plasma a state of matter?

a.   yes

b.   no