5P22 Matter: Law of Conservation of Mass

Front

An oreo cookie weighs 20 grams. It gets crushed into crumbs for a recipe. How much do its crumbs weigh?

Back

20 grams

Front

Matter can not be created nor destroyed: it can only be

Back

Transformed, changed

Front

Law of Conservation of Mass

Back

Mass is never created or destroyed

Front

Sarah and Jake each made a clay figure from 400 grams of clay. Sarah made a ball, and Jake made a rope. What is the mass of the clay figures now?

Back

The figures would have equal masses.

Front

If 25 grams of sugar dissolves into 150 grams of water, what is the new weight of the liquid? Options: 125 g, 150 g, 25 g, 175 g

Back

175 g

Front

250 grams of iron and sand are separated. The mass of the sand is 150 grams. What is the mass of the iron?

Back

100 grams

Front

15 grams of sugar are dissolved into 300 grams of water. What is the mass of the mixture?

Back

315

Front

Anthony adds 0.25 grams of baking soda to 5 grams of water and stirs. What will the mass of the solution be? Options: 4.75 grams, 5.0 grams, 5.25 grams, 7.5 grams

Back

5.25 grams

Front

If 10 grams of water are added to 5 grams of salt, how much salt water will be made?

Back

15 grams

Front

A rock weighing 60 g is broken into 2 pieces. What are possible weights for the two pieces of rock? Options: 20 g and 20 g, 30 g and 20 g, 30 g and 30 g, 45 g and 10 g

Back

30 g and 30 g