Slicing pepperoni for the topping
Spreading cheese on the pizza
Baking the dough to form the crust
What is the smallest particle of the element gold (Au) that can still be classified as gold?
Which of the following illustrations represents a pure substance?
If 1 kg of the compound toluene melts at –95°C, then 500 g of toluene will
melt at –47.5°C.
melt at –95°C.
boil at 95°C.
boil at 47.5°C.
Which statement about the molecules in ice and the molecules in liquid water is correct?
The molecules in ice have more energy than the molecules in liquid water.
The molecules in ice contain different atoms than the molecules in liquid water.
The molecules in ice have more electric charge than the molecules in liquid water.
The molecules in ice are less free to move than the molecules in liquid water.
pepper being ground onto a salad a match being lit sugar being dissolved in water wood being chopped
The mass changes as the altitude of the ball of clay changes.
The mass changes as the shape of the ball of clay changes.
The mass of the ball of clay is unchanged by altitude or shape.
The mass is doubled when the ball of clay is divided into two equal pieces.
a meterstick and a thermometer a thermometer and a balance a balance and a graduated cylinder a graduated cylinder and a meterstick
If different kinds of atoms are represented by different colored dots, which picture represents a sample of a compound?
If different kinds of atoms are represented by different colored dots, which picture below represents a mixture?