Suppose you have two pieces of modeling clay. One piece contains more clay than the other. How do the two pieces of clay differ?

Which of the following actions described below will change an object's weight, but not its mass?

Which of these statements is true about the weight of objects?

Physical properties can be used to compare and classify substances. Which statement is correct about a physical property?

Thomas performed an experiment to measure the temperature of water as he heated it on a hotplate. At the end of his experiment, he plotted the results as shown in the graph . Which of the following physical properties of water did Thomas measure?

This physical property is one that remains the same regardless of the amount of matter that is present. Which of the following physical properties of matter is described above?

Mario performed an experiment to investigate how certain substances dissolve in water. He poured the substances in separate beakers of water and stirred each one using a glass rod. He then observed the results. What physical property of the substances did Mario investigate?

Physical properties can be used to classify and compare substances. The illustration below shows a physical property that is being investigated using different materials. What physical property is most likely being investigated in this illustration?

For a laboratory exercise in class, a student is given a mixture of small pieces of iron, sand, water, and salt. What physical property could be used to best separate the iron from the other ingredients?

Two cubes are placed into a bucket of water. One cube is made of solid foam and it floats.  The other cube is made of solid metal and it sinks. Why does this happen when both are placed into water?

The ability to conduct an electric current, dissolve in water and melt are considered which of the following?

You are given two objects that are made from the same material.  They are also the same size and color.  One is hollow and one is solid.  Determine the physical property that could be used to identify which object is solid and which object is hollow.

Derek mixed two liquids. One liquid was black, and the other liquid was clear. The illustration shows what happened after Derek mixed the two liquids and allowed them to stand for 10 minutes. Which of the following statements could explain why the two liquids formed distinct layers

Lucy wanted to determine the density of a colorful stone that she had picked up on the beach. Which two properties must Lucy measure in order to calculate the density of the stone?

Copper has a density of 9g/cm³. Suppose you had a piece of copper that had a mass of 27g. The formula for density is d = m/v, where m is mass and v is volume. What is the volume of this piece of copper metal?

Sam finds a gold-colored rock on a hike. He takes it home and uses his digital balance to find its mass of 25g. Sam uses a graduated cylinder and water displacement to find the volume of the rock to be 5cm³.  The formula for density is d = m/v, where m is mass and v is volume.  What is the rock’s density?

Chocolate cake has an average density of 4.2g/cm³. The volume of a single slice is 113.1cm³. The formula for density is d = m/v, where m is mass and v is volume.  What is the mass of this slice of chocolate cake?

Owen wanted to determine the density of a wooden block. He made the measurements shown. Owen knew he could use these measurements to calculate the amount of space occupied by the block. What else must Owen determine in order to calculate the density of this block?

Owen wanted to determine the density of a wooden block. He made the measurements shown below. How much space is occupied by the block?

Ron carried out the following procedure to obtain a measurement needed to calculate the density of a solid object. What else must Ron measure in order to calculate the density of this object?

Ron carried out the following procedure to obtain a measurement needed to calculate the density of a solid object. What property is Ron measuring? What is the measurement for this object?

A golf ball and a ping-pong ball are about the same size. In other words, they have about the same volume. However, a golf ball has more mass than a ping-pong ball. What can you conclude from this information?

The diagram represents two graduated cylinders. 100mL of a liquid was completely transferred from A to B. Compared to the liquid that was in A, the liquid in B will have ___.

Properties of matter describe features about specific objects or substances. What makes physical properties and chemical properties different from one another?

Three liquids--R and S and T--are poured into a graduated cylinder together, however, they separate immediately and form three layers.

• Liquid R has a volume of 16mL and a mass of 87g.

• Liquid S has a volume of 48mL and a mass of 49g.

• Liquid T has a volume of 234mL and a mass of 100g.

Based on this information, describe the order of the liquid layers. The formula for density is d = m/v, where m is mass and v is volume.

Melting point is a property of matter. A large block of ice and a small cube of ice are both allowed to sit in the sunlight and melt. The temperature of each is measured during this process. Which of the following is TRUE?

Metals have many properties, including the ability to be folded and shaped. What is this property called?

When a gas is heated, the molecules move faster causing the volume of the gas to increase while the mass remains the same. How does this affect the density of the gas?

Michelle built a circuit using wires, clips, a battery, and a light bulb. She hooked up various items--like the knife pictured--and recorded which ones caused the light to turn on brightly, dimly, or not at all. What property of matter was Michelle testing?