Cycle 3 Thermal Reactions Quiz

Which of the following is an example of an exothermic reaction?

• Melting ice

• Dissolving salt in water

• Burning wood

• Mixing baking soda and vinegar

Tags

NGSS.MS-PS1-4

What is the main difference between physical and chemical changes?

• Chemical changes involve energy, while physical changes do not.

• Physical changes change the substance’s composition, while chemical changes do not.

• Physical changes only change the appearance, while chemical changes create a new substance.

• Chemical changes are reversible, while physical changes are not.

Tags

NGSS.MS-PS1-4

Which device is designed to absorb thermal energy?

• A hand warmer

• A chemical cold pack

• A heating pad

• A light bulb

Tags

NGSS.MS-PS1-6

When testing a device that releases thermal energy, which factor would indicate it's exothermic?

• A drop in temperature

• Heat being absorbed

• Heat being released

• Color change

Tags

NGSS.HS-PS1-4

Which of the following processes is an example of an endothermic reaction?

• Condensation of water

• Photosynthesis in plants

• Freezing of water

• Combustion of gasoline

Tags

NGSS.HS-PS1-4

Which material is most likely used in a hand warmer that releases heat?

• Iron powder

• Sand

• Plastic

• Wood

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-3

What type of energy transfer occurs when a chemical reaction releases heat?

• Conduction

• Radiation

• Convection

• Thermal energy transfer

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS1-6

During an experiment, the temperature of a reaction dropped significantly. What type of reaction is likely occurring?

• Physical

• Chemical

• Endothermic

• Exothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which statement best describes the engineering design process?

• Creating a perfect solution the first time

• Designing, testing, and making improvements to a device

• Testing once and then building the final product

• Building a device with no testing involved

Tags

NGSS.MS-ETS1-4

NGSS.MS-ETS1-3

NGSS.MS-ETS1-2

Which device is most likely designed to release thermal energy?

• Instant ice pack

• Portable heater

• Refrigerator

• Cooling fan

Tags

NGSS.MS-PS3-3