PS 5.1 Flashcard

Front

What do students compare after adding salt in an experiment?

Back

They compare the weight before and after adding the salt.

Front

What is the first action taken after placing salt on the scale?

Back

They added the salt to the water in a beaker.

Front

What was the main focus of Experiment 1?

Back

To observe the melting of ice and measure the weight change.

Front

What happens when baking soda is added to vinegar?

Back

Bubbles form that are different from the baking soda and vinegar.

Front

How can winter weather damage roads?

Back

Water can get into cracks in roads, then freeze and expand, making the cracks worse.

Front

What is the effect of salt on ice in an experiment?

Back

Salt lowers the freezing point of water, causing ice to melt.

Front

What is a beaker used for in experiments?

Back

A beaker is used to hold and mix liquids.

Front

What is the purpose of measuring weight in an experiment?

Back

To observe changes and effects of different substances.

Front

What is the scientific method?

Back

A systematic process for conducting experiments and making observations.

Front

What is an example of a physical change?

Back

Melting ice is a physical change.