Comparing the Weight of Object to the Weight of its Parts

Charlotte melted a 4-oz chocolate bar in a pot with a lid. What is most likely true about the weight of the melted chocolate?

• It weights more than 4 oz.
• It weighs less than 4 oz.
• It weighs exactly 4 oz.
• You cannot weigh it.

Isaac filled a bottle half way with water, placed a lid on it, then put it in the freezer. How does the weight of the water and bottle compare before and after it is in the freezer?

• The water and bottle weigh the same as they did when they went in the freezer.
• The water and bottle weigh more when they come out of the freezer because ice weighs more.
• The water and bottle weigh less when they come out of the freezer because water evaporates when it gets cold.

Makayla bought a 525-gram bag of unfrozen fruit popsicles. Which best describes the mass of the popsicles after they were completely frozen?

• 325 grams
• 425 grams
• 525 grams
• 625 grams

Dulce places 5 pounds of ice in a 1 pound bucket with a lid. The next day, she notices all the ice has melted. When she weighs the bucket with the melted ice, what will it most likely weigh?

• 4 pounds
• 5 pounds
• 6 pounds
• 7 pounds

Diego melted two 4-oz sticks of butter. Which best describes the weight of the melted butter?

• 4 oz
• 6 oz
• 8 oz
• 2 oz

A rock weighing 50 g is broken into 2 pieces. What are possible weights for the two pieces of rock?

• 20 g and 20 g
• 30 g and 20 g
• 30 g and 30 g
• 40 g and 40 g

Daniela had a cup of ice with a mass of 1,000 kg. After the ice melted, which is most likely the mass of the cup of water?

• 250 kg
• 500 kg
• 750 kg
• 1,000 kg

Zella cuts up 40 g of strawberries, 50 g of cantaloupe, and 70 g of pineapple into a bowl. Which best describes the amount of fruit salad in the bowl? 

• 90 g
• 120 g
• 160 g
• 200 g

Grayson  fills an 8-lb cooler with 20 lbs of ice. After leaving the cooler in the sun for an hour, how much will the cooler and the melted ice weigh?

• 12 lbs
• 20 lbs
• 28 lbs
• 30 lbs

Jessica weighs her banana with the peel and it weighs 145 grams. She weighs the banana again after she has removed the peel. The banana now weighs 123 grams. About how much does the peel weigh?

• 14 grams
• 18 grams
• 22 grams
• 26 grams