Texas Science

A student wants to test the hypothesis of "If salt is added to water then the boiling point of water will decrease." What is the dependent variable?

• amount of salt

• boiling point

• same amount of water

Is liquid being frozen a Physical or Chemical change?

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What are atoms

• Mr. Jackson

• Back street Boys

• Elijah Biddle

• The basic unit of a chemical element.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What is the term for the amount of matter in an object?

• Weight

• Density

• Mass

• Volume

What is the process by which plants release water vapor into the air through their leaves?

• Condensation

• Transpiration

• Evaporation

• Precipitation

Tags

NGSS.MS-ESS2-4

What is the primary function of the chloroplasts in plant cells?

• To break down sugar molecules to release energy

• To store water and nutrients

• To capture light energy and convert it into chemical energy

• To control the entry and exit of substances in and out of the cell

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-6

Which of the following is NOT a renewable resource?

• Solar energy

• Wind energy

• Coal

• Hydroelectric power

Which of the following is a chemical change?

• Dissolving salt in water

• Boiling water

• Burning wood

• Melting ice

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What type of symbiotic relationship benefits one organism without harming the other?

• Mutualism

• Commensalism

• Parasitism

• Predation

Is wood burning a chemical or Physical change?

• Chemical Change

• Physical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5