6th grade Science 1st Semester Exam Review Part 1

Name: ____________________________________
Date: _____________
Period: _____
6th grade Science 1st Semester Exam Review
Part 1: Lab Safety /Scientific Method
Safe/Not Safe: Write S if the behavior described is safe. Write NS if the behavior described in not a safe behavior in the
science classroom /lab.
1.
2.
3.
4.
5.
_____ Susie was thirsty. She grabbed a beaker which looked clean and used it to get a drink from the sink.
_____ Mike went into the storeroom to see what was in there while the teacher was not looking.
_____ Julie cut herself while dissecting a frog. Since it was a little cut, she didn’t bother telling the teacher.
When using a sharp instrument, always cut carefully ____________ from yourself.
Describe the PASS method when using a fire extinguisher.
P
A
S
S
6. Describe the method to be used to test the odor of fumes in a test tube.
Review safety symbols.
Define the following:
7. Hypothesis:
8. Independent Variable:
9. Dependent Variable:
10. Control Variable:
Part 2: Measurement
Look at each group of concepts. Circle the one concept that does not belong to the group.
1. Mass, volume, grams, length
2. Centimeters, milliliters, grams, ruler
3. Mass, cubic centimeters, milliliters, volume
4. Graduated cylinder, length, centimeters, ruler
5. Ruler, cm3, mass, volume
6. Length, balance, ruler, centimeters
7. Ruler, volume, graduated cylinder, milliliters
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Complete the data table
Measurement
Tool to Use
Unit to Use
8. Volume of a glass of water
9. Length of a sheet of paper
10. Mass of a liter of milk
11. Volume of an irregular solid (like a
sea shell)
12. Mass of a hockey puck
13. Volume of 20g of alcohol
14. Volume of a cube
Read and label the following pieces of lab equipment with the correct measurement
1. _______
___
2. _______
___
3.__________
4. ______
____
5. ______
____
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Part 3: Properties of Matter
1. Define the following terms
a. Matter
b. Element
c. Compound
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2. Fill in the chart below:
Properties/Changes
Define Term
Example
Physical Property
Physical Change
Chemical Property
Chemical Change
3. What is the main difference between a physical and chemical change?
4. Identify the following as either a chemical or physical property
a. Ice melts when left outside in the summer ___________________
b. Wood has the ability to burn ___________________
c. Iron will rust when left outside ___________________
5. Identify the following as either a physical or chemical change:
a. Baking a cake _________________
b. Cutting the grass ________________
c. Painting a car ___________________
6. What is density and what is its formula?
7. A sample of material has a mass of 48 grams and a volume of 6 cubic centimeters. What is the density of this
sample?
8. Which type of matter consists of two or more substances that are all chemically combined?
True or False * If the statement is false- circle the key word that makes the statement incorrect*
9. _____ A compound is made of only one kind of element
10. _____ A compound contains elements that are physically combined
11. _____ A compound contains elements combined in a specific ratio
12. _____ A compound is made of substances that keep their individual properties
13. What are the 5 indicators that a chemical reaction has taken place?
14. Which of the following is not an example of matter?
a. Sound
b. Graduated Cylinder
c. Beaker
d. Air
e. Water
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15. Put the liquids in the chart above in order from the smallest density to the greatest density
16. Which of these statements does the diagram support?
a. Liquid B has a greater density than liquid D
b. Liquid A has the greatest density
c. Liquid B has the smallest density
d. Liquid D has a greater mass than liquid B
17. When a rock is placed into a graduated cylinder, the water will rise in the cylinder. Why does this happen and
what is that process called?
18. A solid with a volume of 20 cm3 is placed into a graduated cylinder holding 30 mL of water. How much water will
the solid displace?
Fill in the chart below:
Type of Element
Properties
Example from the Periodic Table
Metals
Metalloids
Non-Metals
Part 4: Energy Resources and Transformations
1. What are renewable energy resources?
2. What are fossil fuels, how do they form, and what are some of their disadvantages?
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3. Review your Renewable/Nonrenewable foldables in your journal to know the different types of resources and the
advantages/disadvantages of all of them.
4. In the winter the air just above the top bunk of a bunk bed is warmer than the air just above the bottom bunk
because warm air rises. Which of the following describes the method of heating that causes this difference in
temperature?
a. Radiation from the room
b. Heat transfer through the walls
c. Convection currents in the room
d. Heat conduction through the bed
5. The illustration below shows an example of energy changing forms. Which energy transformations occur from the
sun to the solar cells to the fan and radio?
a.
b.
c.
d.
Electrical  sound  light (radiant)and mechanical
Light (radiant) mechanical light (radiant) and electrical
Mechanical  light (radiant) sound and electrical
Light (radiant) electrical  mechanical and sound
6. Which of the following energy transformations correctly describe the illustration to the right?
a. Light (radiant)  thermal
b. Chemical  mechanical
c. Chemical thermal
d. Chemical electrical
7. Describe the energy transformations needed to make a flashlight work.
8. Define the following and give an example of each:
Conduction:
Convection:
Radiation:
9. How does heat always move?
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