Matter Unit Test Robbins

A girl takes a freezer pop outside. Before she gets outside it begins to melt inside the plastic sleeve. How does the mass change after it has melted?

• The mass decreased when the popsicle melted

• The mass increased when the popsicle melted

• The mass stayed the same when the popsicle melted

• There is no way to know if the mass changed after the popsicle melted

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Chris mixes 100 grams of water with 10 grams of sugar. He mixes all the sugar so it completely dissolves and it can't be seen anymore. How does the mass change after the sugar has dissolved

• The mass of the solution will still be 100 grams because the sugar dissolved into the water

• The mass of the solution can't be determined unless you weigh the solution to see how the sugar affected the mass.

• The mass of the solution will be 110 grams.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A child places 30 grams of soda and 10 grams of ice into a glass. The ice melts after about 10 minutes. What is the mass of the drink now that the ice has melted?

• 40 grams

• 20 grams

• 10 grams

• 300 grams

Tags

NGSS.MS-PS1-4

A child Blows up a balloon and places it outside on a hot day. After a few hours they notice that the balloon seems much larger. How has the mass of the balloon changed?

• The mass of the balloon stayed the same after being outside.

• The balloon expanded because of the heat.

• air molecules inside the balloon increased in speed and bumped into each other causing them to spread out.

• All answers are correct.

Tags

NGSS.MS-PS1-4

500 grams of water is placed outside in a shallow dish. After a day, all the water has evaporated (turned into water vapor) and gone into the atmosphere. What is the mass of the water vapor? What kind of change happened?

Tags

NGSS.MS-PS1-4

Which is a physical change involving an egg

• frying an egg

• boiling an egg

• breaking an egg

• burning and egg

Tags

NGSS.MS-PS1-4

Which statement best describes why baking a cake is an example of a chemical change

• The process takes place in an oven.

• The process requires heat energy.

• The process cannot be reversed

• The process can be repeated

Tags

NGSS.MS-LS1-7

NGSS.MS-PS1-2

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

• 1,100 g

• 700 g

• 3,000 g

Tags

NGSS.MS-PS1-4

takes the shape of the container and has definite volume

Which of the following is NOT an example of a physical change?

• crumpled paper

• pencil sharpening

• shrunken clothing

• sour milk