🚪 Exit Ticket 🎟️ - T10 Lesson 4 Temperature and Rate of a Chem

What must reactants do for a chemical reaction to take place?

• Stay still and avoid collisions

• Move fast enough and hit each other hard enough

• Move slowly and gently touch

• Remain at a constant temperature

Tags

NGSS.HS-PS1-5

How does increasing the temperature affect reactant molecules?

• It decreases their speed

• It has no effect on their speed

• It increases their average speed

• It stops their movement

Tags

NGSS.HS-PS1-5

What is one objective of the lesson?

• To identify and control variables in an experiment

• To memorize chemical formulas

• To write a report on chemical reactions

• To draw diagrams of molecules

Tags

NGSS.HS-PS1-3

NGSS.HS-PS1-5

What is one piece of evidence that a chemical reaction has occurred when vinegar is mixed with baking soda?

• Formation of a solid

• Production of a gas

• Temperature decrease

• Color change

Tags

NGSS.MS-PS1-2

Which of the following is a sign of a chemical reaction?

• Formation of a gas

• Light is given off

• Change in temperature

• Change in color

Tags

NGSS.MS-PS1-2

What happens to the temperature of a reaction that shows a chemical reaction occurred?

• It always increases

• It always decreases

• It changes

• It remains constant

Tags

NGSS.HS-PS1-5

Which gas is produced when vinegar reacts with baking soda?

• Oxygen

• Carbon dioxide

• Hydrogen

• Nitrogen

Tags

NGSS.MS-PS1-2

Which of the following is NOT evidence of a chemical reaction?

• Production of a gas

• Formation of a precipitate

• Change in temperature

• Dissolving of a solid

Tags

NGSS.MS-PS1-2

What type of reaction occurs when a color change is observed?

• Physical change

• Chemical reaction

• Evaporation

• Condensation

Tags

NGSS.MS-PS1-2

What is the result of mixing two solutions that form a precipitate?

• A gas is released

• A solid is formed

• The temperature decreases

• The solutions evaporate