Matter & Ecosystems Review

Front

Which claim would BEST be supported by evidence from all three experiments?

Back

The weight of matter stays the same during physical and chemical changes.

Front

The Walker family left 2.7 kg of milk in the refrigerator. What is the most likely mass of the spoiled milk?

Back

2.7 kg

Front

The mass of a grape drink mixture is 150 grams. Kathy boils the mixture and notices that 50 grams of water has evaporated. What is the new mass of the grape juice mixture?

Back

100 grams

Front

Which would most likely result in a new substance being produced?

Back

baking a cake

Front

What did the students most likely discover about the weight of the solution and the bottle after combining 10 ounces of lemon juice with 15 ounces of vinegar in a sealed spray bottle weighing 5 ounces?

Back

It weighed 30 ounces because the solutions mixed and everything was contained inside the closed bottle.

Front

John's father cooks on his outdoor grill by burning wood. John notices that the wood turns into ashes at the bottom of the grill as it burns. John claims that this is a chemical change. Which statement BEST supports his claim?

Back

The ashes are a new substance.

Front

Mass of penny and acid after chemical reaction?

Back

233 grams

Front

A change that alters the physical properties of matter, such as its color, texture, shape or state of matter, without changing its chemical composition is called a _______________ change.

Back

physical

Front

A collection of information gathered by observation, questioning or measurement:

Back

data

Front

Lake

Back

large body of water surrounded by land