MS CM UA Part 1 Reteaching Questions

What is a sign that a chemical reaction is taking place when mixing vinegar and baking soda?

• The mixture turns blue

• The mixture starts bubbling

• The mixture freezes

• The mixture becomes solid

Tags

NGSS.MS-PS1-2

What happens when substances combine or break apart in a chemical reaction?

• They form new substances

• They disappear

• They stay the same

• They become invisible

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

What is true about everyday occurrence of chemical reactions?

• They rarely happen

• They happen all around us every day

• They only happen in laboratories

• They are not important

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Match the following cleaning agents with their effects on pennies.

• A chemical reaction that creates gas

• Baking soda and water

• A mixture that makes lemonade.

• Lemon juice and sugar

• A solution that takes tarnish off pennie

• Salt and vinegar

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Match the following powders with their reactions:

• Does not react with vinegar or water

• Baking powder

• Bubbles with both vinegar and water

• Salt

• Dissolves in water but does not react with vinegar

• Sugar

• Bubbles with vinegar but not with water

• Baking soda

Which powder bubbles with both vinegar and water?

• Salt

• Baking soda

• Baking powder

• Flour

Tags

NGSS.MS-PS1-2

Which of the following is an example of a chemical change?

• Melting ice

• Breaking glass

• Boiling water

• Burning wood

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Jason poured 500 grams of water into a container and tightly sealed it. The water was allowed to freeze. Which is most likely true about the ice that formed?

• The mass of the ice is the same as the mass of the water.
• The mass of the ice is greater than the mass of the water.
• The ice formed is a different substance than the water.
• The ice formed is the same temperature as the water.
  

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-4

A student mixes 125 grams of sugar, 250 grams of water and 5 grams of flavoring. The solution weighs...

• 250 grams

• 380 grams

• 375 grams

• 400 grams

Tags

NGSS.MS-PS1-5

Bob puts 200 grams of ice into a pitcher with 900 grams of water. He gets distracted and comes back later to find that the ice has melted in the water. How many grams of water does Bob now have in the pitcher?

• 200 g
• 700 g
• 1,100 g
  

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-4