Revision 2 - yr 8 science

What state of matter is shown in the picture?

• Solid

• Liquid

• Gas

• Plasma!!!

What state of matter is shown in the picture?

• Solid

• Liquid

• Gas

What state of matter is shown in the picture?

• Solid

• Liquid

• Gas

If I add heat to a solid, how will the motion of the particles be affected?

• They will move slower

• They will stop moving

• They will move faster

• They will move to a different container

Tags

NGSS.MS-PS1-4

My glass of ice water is sitting in the sun and has droplets of water on the outside of the glass. What is happening?

• condensation
• evaporation
• melting
• freezing

Tags

NGSS.MS-PS1-4

Which of the following is NOT a clue that a chemical change has occurred? 

• change of state of matter
• color change
• production of a gas
• production of heat

Tags

NGSS.MS-PS1-2

A physical change occurs when a substance _____. 

• breaks into individual elements
• becomes a new substance
• changes from an acid to a base
• changes shape, size, and form

A chemical change creates a _________. 

• change in volume
• new substance
• mixture
• solution

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

You press the plunger on a sealed syringe of gas. What happens to the gas in the syringe?

• It does nothing - it stays the same volume

• The gas particles expand and take up more volume

• The gas particles are compressed together, so they take up less volume

• It turns into a liquid

Baking soda in vinegar is an example of a:

• physical change

• chemical change

• both a chemical and physical change