Unit 1 Review

In chemical reactions, what does the law of conservation of mass mean?

• Matter is not created or destroyed

• The total mass of the reactants is greater than the total mass of the products

• The total mass of the reactants is less than the total mass of the products

• Matter is not changed

Tags

NGSS.MS-PS1-5

Which is the following is NOT a sign of a chemical change?

• Releasing a gas

• Releasing bubbles

• Changing state

• Change in temperature

Tags

NGSS.MS-PS1-2

A physical property can be observed by _________________.

• burning the substance
• changing the chemical identity of a substance
• using the senses
• placing the substance in acid

What number is the metric system based?

• 10
• 20
• 1
• 100

Tags

CCSS.2.MD.A.2

The amount of space an object takes up is its'

• mass
• volume
• length
• density

The base for mass is the

• meter
• gram
• kilogram
• liter

Tags

CCSS.3.MD.A.2

The base unit for length is the

• second
• gram
• meter
• liter

Tags

CCSS.4.MD.A.1

Which one is not in the metric system?

• Kilometer
• Yard
• Centimeter
• Meter

Tags

CCSS.2.MD.A.2

What do you use to measure the mass of an object?

• a balance
• water displacement method
• a scale
• length times width times height

What unit is used to measure the volume of a liquid or an irregular object?

• milliters
• centimeters cubed
• inches
• grams