HOLIDAY BONUS!

Which piece of lab equipment is used to measure the volume of a liquid accurately?

• Beaker

• Graduated cylinder

• Test tube

• Bunsen burner

Convert 5 kilometers to meters.

• 50 meters

• 500 meters

• 5000 meters

• 50000 meters

What is the charge of a proton?

• Negative

• Positive

• Neutral

• Variable

Which of the following is a chemical change?

• Melting ice

• Burning wood

• Cutting paper

• Dissolving sugar in water

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What does the atomic number of an element represent?

• The number of protons in an atom

• The number of neutrons in an atom

• The number of electrons in an atom

• The atomic mass of an atom

If an atom has a mass number of 23 and an atomic number of 11, how many neutrons does it have?

• 11

• 12

• 23

• 34

Which of the following is a physical property of matter?

• Flammability

• Reactivity with acid

• Density

• Ability to rust

Identify the lab equipment used to heat substances.

• Test tube

• Bunsen burner

• Pipette

• Balance

Tags

NGSS.MS-PS3-3

Which metric unit would you use to measure the mass of a textbook?

• Kilogram

• Gram

• Milligram

• Liter

Describe the difference between a physical change and a chemical change.

• Physical changes alter the substance's identity, chemical changes do not.

• Chemical changes alter the substance's identity, physical changes do not.

• Both changes alter the substance's identity.

• Neither change alters the substance's identity.

Tags

NGSS.MS-PS1-4