Stickler #16

When one substance disappears in another substance, we say that it ______________.

• conductor

• dissolves

• electricity

• melts

What kind of energy is in a rock at the edge of a cliff?

• Gravitational Potential Energy

• Kinetic Energy

• Both potential and kinetic energy

• none of the above

Tags

NGSS.MS-PS3-2

Ice melting

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

London is collecting various equipment to be used for a science fair project. Which item should he choose to demonstrate the insulation of thermal energy and why? 

• Aluminum pie pan, because heat travels through it quickly
• Plastic knife, because it can melt easily
• Wooden log, because it can be used to start a fire
• Wool sweater, because it keeps people warm

Tags

NGSS.MS-PS3-3

A phase change from liquid to gas is called ...

• condensation

• evaporation

• sublimation

• deposition

How much water has been displaced in the image shown?

• 40 mL
• 65 mL
• 20 mL
• 25 mL

Tags

CCSS.3.MD.A.2

The part of a solution that dissolves.

• mixture
• solute
• solvent
• liquid

What tool can you use to separate a mixture of rocks and sand the fastest? 

• sieve
• tweezers
• magnet
• hands

• solvent

• solute

Tags

NGSS.MS-PS1-2

• solvent

• solute

Tags

NGSS.5-PS1-4