pHet - Making Sandwiches IS Chemistry!

Select "Cheese" for sandwich type.

Which of the following best describes the relationship between bread and cheese in a CHEESE sandwich, according to pHet.

• For every one slice of bread, you need one slice of cheese.

• For every one slice of bread, you need two slices of cheese.

• For every two slices of bread, you need one slice of cheese.

• For every three slices of bread, you need two slices of cheese.

Select "Cheese" for sandwich type.

5 slices of bread + 1 slice of cheese make ______ sandwiches.

• 0

• 1

• 2

• 5

Select "Cheese" for sandwich type.

5 slices of bread + 0 slices of cheese make ______ sandwiches.

• 0

• 1

• 2

• 5

Select "Cheese" for sandwich type.

5 slices of bread + 5 slices of cheese make ______ sandwiches.

• 0

• 1

• 2

• 5

Select "Cheese" for sandwich type.

10 slices of bread + 5 slices of cheese make ______ sandwiches.

• 0

• 5

• 10

• 15

Select "Meat and Cheese" for sandwich type.

Which of the following best describes the relationship between bread, meat, and cheese in a MEAT AND CHEESE sandwich, according to pHet.

• For every one slice of bread, you need one slice of cheese and one slice of meat.

• For every two slices of bread, you need one slice of cheese and one slice of meat.

• For every three slices of bread, you need one slice of cheese and one slice of meat.

• For every two slices of bread, you need one slice of cheese and two slices of meat.

Select "Meat and Cheese" for sandwich type.

5 slices of bread + 5 slices of cheese + 2 slices of meat make ______ sandwiches.

• 0

• 1

• 2

• 5

Select "Meat and Cheese" for sandwich type.

5 slices of bread + 5 slices of cheese + 5 slices of meat make ______ sandwiches.

• 0

• 1

• 2

• 5

Select "Meat and Cheese" for sandwich type.

8 slices of bread + 5 slices of cheese + 5 slices of meat make ______ sandwiches.

• 0

• 1

• 2

• 4

Select "Meat and Cheese" for sandwich type.

8 slices of bread + 5 slices of cheese + 0 slices of meat make ______ sandwiches.

• 0

• 2

• 5

• 8