Physical Science EOG Review

Which equation best represents the law of conservation of mass? 

• A

• B

• C

• D

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What happens to water molecules during the boiling process?

• They move faster and move farther apart as they absorb heat.

• They move faster and remain close together as they absorb heat.

• They move more slowly but move farther apart as they lose heat.

• They move faster and move farther apart as they lose heat.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

This table provides information about some group 1 elements. Which is the best estimate of the melting point of Rubidium (Rb)?

• 25°C

• 40°C

• 75°C

• 184°C

Which elements have the most similar chemical properties?

• K and Na

• K and Ca

• K and Cl

• K and S

What is the term for a change that alters the form of a substance but not its chemical composition?

• Chemical change

• Physical change

• Biological change

• Nuclear change

Tags

NGSS.MS-PS1-4

What is the main difference between a chemical change and a physical change?

• Chemical changes are reversible, physical changes are not

• Physical changes create new substances, chemical changes do not

• Chemical changes create new substances, physical changes do not

• Physical changes involve energy, chemical changes do not

What is the term for the smallest particle of a compound that has all the properties of that compound?

• Atom

• Molecule

• Element

• Ion

Tags

NGSS.MS-PS1-1

Which of the following is an example of a non-renewable resource?

• Wind

• Solar energy

• Coal

• Water

The element sodium appears like this in the periodic table. Which is its chemical symbol?

• 11

• Na

• sodium

• 22.990

Which ratio of reactants to products supports the law of conservation of mass?

• 1:1 because the mass of the reactants before the reaction is equal to the mass of the products after the reaction

• 1:2 because the mass of the reactants is doubled during the reaction

• 2:1 because the mass of the reaction is halved (cut in half) during the reaction

Tags

NGSS.MS-PS1-5