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U4 The Nature Of Matter
Test Description: States of matter, physical chemical change, solutions mixtures
Instructions: Answer all questions to get your test result.
1) Billy Bob Joe's uncle's brother put yeast into a bowl of water and added a little sugar. He placed the bowl in a warm place and let it sit. After a while, he observed foam spilling out of the bowl. What kind of change is occurring?
A
physical change
B
chemical change
C
scientific change
D
geological change
2) Silly Sally Suzy filled 2 balloons with the same amounts of water, sugar, and yeast. She put 1 bowl on a table in her classroom, and the other on a sunny windowsill. Why did Silly Sally Sue observe that the balloon in the window grew larger in size?
A
The classroom table area is warmer.
B
The classroom table area is the same temperature as the windowsill.
C
The windowsill area is warmer
D
The windowsill is cooler.
3) Billy Bob Joe's father's cousin's mother is cooking dinner. After Billy Bob Joe's father's cousin's mother adds salt to the boiling water, what will she have in the pot?
A
a mixture called a combination
B
a solution called a mixture
C
a mixture called a solution
D
a solution called a combination
4) Billy Joe Bob took a picnic to a sandy beach. He brought a garden salad and lemonade. Which of these best describes sand, a garden salad, and lemonade?
A
solutes
B
atoms
C
solutions
D
mixtures
5) Which of the following represents a chemical change?
A
fireworks
B
broken window
C
waterfall
D
chopping wood
6) Each state of matter has certain physical properties. Which is a physical property of gas?
A
It can be compressed.
B
It has definite shape.
C
Its particles vibrate in place.
D
It has definite texture.
7) Billy tested a control solution at room temperature (25*C), and measured how fast salt dissolved in it. Next, he cooled solution A to 10*C and heated solution B to 40*C. How quickly did the salt dissolve in solutions A and B compared to the control?
A
slower for solution A and faster for solution B
B
faster for solution A and slower for solution B
C
slower for solutions A and B
D
faster for solutions A and B
8) Different elements have different kinds of atoms. How can you tell an atom of one element from an atom of another?
A
the number of nuclei
B
the number of electrons
C
the number of neutrons
D
the number of protons
9) Which of these conditions has the greatest effect on how quickly a substance changes from one state to another?
A
light
B
temperature
C
color
D
shape
10) Silly Sally Sue's mom boils water in a pot on the stove to make soup. Which of these ingredients will dissolve in the water?
A
salt
B
pepper
C
garlic
D
oil
11) Silly Sally Sue needs to make a list of the physical properties of matter. Which of these should Silly Sally Sue include in her list?
A
temperature
B
graduated cylinder
C
thermometer
D
balance
12) Each of the states of matter has specific characteristics. Which statement correctly describes one of these characteristics?
A
Gases can expand and be compressed.
B
Solids flow from one place to another.
C
The particles in solids have weak forces of attraction.
D
Liquids have definite volume and shape.
13) Atoms are made up of smaller particles called subatomic particles. Which is a subatomic particle that has no charge?
A
neutrons and protons
B
neutrons only
C
electrons and protons
D
protons only
14) A scientist is examining two atoms. One has a nucleus with 5 protons and 5 neutrons surrounded by 5 electrons. The other has a nucleus with 5 protons and 6 neutrons, surrounded by 5 electrons. What can he conclude about these two atoms?
A
They are not made of matter.
B
They have different charges.
C
They cannot form compounds.
D
They are the same element.
15) Every atom has a center called the nucleus. The nucleus has a positive charge. Which particles are found in the nucleus?
A
protons only
B
neutrons only
C
neutrons and protons
D
electrons and protons
*select an answer for all questions
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