Lab Report mixtures

When making pancakes, the batter is a ____ mixture. (you should have seen the specks of rosemary)

• Homogeneous
• Heterogeneous

When making pancakes, after you mix the wet and dry ingredients together, is this a physical or chemical change?

• Physical
• Chemical

Charlotte and Liam are mixing ingredients in a chemistry lab. They combine two or more elements chemically, resulting in a substance whose properties are completely different from those of the individual elements. This substance is known as ____.

• Compound

• Heterogeneous

• Homogeneous

• Solution

Tags

NGSS.MS-PS1-1

Pure substances ____.

• Are made of up of only one material
• Have definite and constant properties under certain conditions
• Are elements or compounds
• All of these are correct
• None of the above

Aiden is preparing a meal and wants to include a heterogeneous mixture. An example of a heterogeneous mixture is ____.

• Cola (flat)

• Tea (no ice)

• Sodium Chloride

• Tossed Salad

Daniel is conducting a science experiment. Which of the following involves a chemical change?

• Combining baking soda and vinegar

• Combining salt and water

• Sweetening iced tea

• Tossing salad

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of these is an example of a reversible physical change?

• Change in color
• Chopping
• State change
• Rusting

Tags

NGSS.MS-PS1-4

During a science class, Aiden was asked to identify an example of an element in modern chemistry. What did he choose?

• Air

• Iron

• Water

• Fire

Abigail is baking cookies and needs an example of a compound. Which of the following should she use?

• Salt

• Salt water

• Sodium

• Soft drinks

Tags

NGSS.MS-PS1-1

Ava is preparing a meal and wants to know which of the following causes chemical changes in food?

• Chopping

• Cooking

• Peeling

• Slicing

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5