WorksheetsScience UIL General Science
Total questions: 25
Worksheet time: 25mins
You are instructed to obtain 10.0 grams of sodium chloride in order to complete a particular lab activity. You and your partner accidentally get 15.0 grams of sodium chloride. Which of the following would be the most correct response of what to do with the excess sodium chloride?
place the excess in a plastic bag or beaker for use later
pour the remainder back into the sodium chloride container
go ahead and use the 15.0 grams instead of the 10.0 grams
dispose of the excess as instructed by your teacher
Your lab instructor has given you directions to complete a lab. You decide to try the lab a different way and end up cutting your hand on a glass beaker. What should you do first?
run cold water on your hand to stop the bleeding
apply direct pressure to the cut to stop the bleeding
inform your instructor
ask to go to the bathroom and stop at the nurse's office on the way back to class
What should you consider when heating a test tube of a strong, basic solution you have been instructed to heat up by your teacher?
Is the material in a test tube that is marked as safe to heat in direct flame?
How long will the material take to heat?
Why are you heating this up?
What is the boiling point of the strong, basic solution?
Your lab asks you to measure 10.0 mL of a liquid to the nearest tenth of a millimeter. Your lab tool of choice for this task would be the ___.
beaker
test tube
graduated cylinder
spot plate
What type of energy transformation occurs when a lamp is turned on?
Chemical to electrical
Electrical to light
Kinetic to thermal
Potential to kinetic
What is the term for the ability to do work or cause change?
Power
Energy
Force
Momentum
What is the boiling point of water?
100 degrees Celsius
50 degrees Celsius
0 degrees Celsius
200 degrees Celsius
What is energy fundamentally described as?
The ability to do work or produce heat
A type of wave
A chemical substance
A form of matter
What is not a property of all matter?
Mass
Volume
Color
Density
Design a project to compare the effects of physical changes (such as temperature and pressure) on different states of matter.
Heat and cool water, ice, and steam to observe changes in state and record temperatures at which these changes occur.
Freeze and melt different metals to see which one has the highest melting point.
Apply pressure to various solids to determine their hardness.
Observe the color changes in substances when heated without measuring temperature.
In an ecosystem, which component is considered a primary producer?
Carnivores
Herbivores
Plants
Decomposers
Which of the following best describes the energy transformation in a bouncing ball?
Kinetic to potential to kinetic
Potential to kinetic to potential
Thermal to kinetic to potential
Electrical to kinetic to potential
Which of the following is not a characteristic of gas?
Has a definite volume
Fills the shape of its container
Can be compressed
Expands to fill its container
Select the one below that would not be essential to correctly measuring 45.0 grams of a solid for use in a lab activity.
Tare the scale before use.
Make sure the pan or balance tray is clean before weighing the solid.
Use a weighing paper or weighing tray to keep the scale pan clean.
Know the chemical formula for the material you are using.
As you heat water in a beaker, the longer you heat it, the hotter it gets. What is true concerning this experiment?
temperature is the dependent variable
time is the dependent variable
temperature is the independent variable
time is considered the control in my experiment
What's it called when liquid rock (magma, lava) erupts through the Earth's crust?
earthquake
volcano
hurricane
tsunami
All matter is made up of
puppies
atoms
adams
cells
During which season do the Sun's rays hit the Earth at the most DIRECT angle?
winter
summer
spring
autumn
Plants release what gas into the atmosphere?
hydrogen
oxygen
carbon dioxide
chlorine
What kind of energy do plants get from the Sun?
solar
electrical
mechanical
sound
What is the first step to the Scientific Method?
draw conclusions
conduct research
define words
determine a problem
What is the hardest substance on Earth?
gold
diamond
iron
platinum
What is the primary gas responsible for the greenhouse effect on Earth?
Carbon Dioxide
Oxygen
Nitrogen
Hydrogen
Which of the following is a characteristic of a chemical change?
Change in state
Change in color
Change in shape
Change in size
What is the main purpose of a control group in an experiment?
To provide a standard for comparison
To increase the sample size
To ensure the experiment is valid
To eliminate variables
