Reversible and Irreversible Changes

What happens when liquid is changed into a solid?

• heating

• glowing

• Melting

• Freezing

Tags

NGSS.2-PS1-4

Cooking a marshmallow on a fire is an example of __________.

• cooling

• heating

• freezing

• melting

Tags

NGSS.2-PS1-4

When ice melts, it becomes a _________.

• solid

• liquid

• gas

• none of the above

Tags

NGSS.2-PS1-4

What energy helps you boil an egg?

• wind

• heat

• mechanical

• shadows

Tags

NGSS.2-PS1-4

What can cause ice to transform from a solid to a liquid?

• The air.

• The cold.

• Shape

• Heat

Tags

NGSS.2-PS1-4

Which of the following changes liquid water into gas?

• boiling

• freezing

• melting

Tags

NGSS.2-PS1-4

Melting and freezing butter is an example of a ______.

• non-reversible change

• melting

• reversible change

• none of the above

Tags

NGSS.2-PS1-4

Which is not an example of a physical change?

• ice melting

• salt crystals being ground to powder

• water evaporating

• wood burning

Tags

NGSS.2-PS1-4

Evidence of a chemical change would be a

• melting popsicle

• spinning top

• spilled bucket of water

• rusting car fender

Tags

NGSS.2-PS1-4

What is happening when my water bottle in the freezer goes from a liquid state to a solid state?

• melting

• evaporating

• freezing

• cutting

Tags

NGSS.2-PS1-4