Science UIL General Science

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?

Tags

NGSS.MS-ETS1-1

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

Tags

DOK Level 1: Recall

What is the term for the ability to do work or cause change?

• Power

• Energy

• Force

• Momentum

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

What is the boiling point of water?

• 100 degrees Celsius

• 50 degrees Celsius

• 0 degrees Celsius

• 200 degrees Celsius

Tags

NGSS.MS-PS1-4

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

Tags

DOK Level 1: Recall

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.

Tags

DOK Level 4: Extended Thinking