G3 TX Science Chapter 2 Test

How can the student test to see if any of the paper clips are made from a magnetic material?

• Test the paper clips by touching or feeling them.

• Test the paper clips by bending them.

• Pass a magnet over the paper clips.

• Place the paper clips in a tub of water.

What would cause the measurement from the thermometer to increase?

• adding more water to the beaker

• mixing salt or sugar into the water

• blowing air into the water through a straw

• heating the water on a hot plate

Why is vegetable oil classified as a liquid? Choose the correct words to complete the explanation. When vegetable oil is poured into a new container, it _______ (Blank 1) its size and it _______ (Blank 2) its shape.

• Blank 1: changes; Blank 2: changes.

• Blank 1: keeps; Blank 2: changes.

• Blank 1: changes; Blank 2: keeps.

• Blank 1: keeps; Blank 2: keeps.

Which of the following examples of matter is NOT a solid?

• A) Snow

• B) Glass

• C) Milk

Identify the example that is not a solid.

• Ice cube

• Water

• Rock

• Metal

The balloons are filled with helium. What properties of helium show that it is a gas? Select each correct answer.

• Helium stretches the material of the balloon.

• Helium adds only a little mass to the balloon.

• Helium changes color to match the color of the balloon.

• Helium changes shape to match the shape of the balloon.

• Helium changes size to fill the balloon.

A beaker holds several ice cubes. When the beaker is heated by a hot plate, what changes will occur to the ice cubes? Place the three sentences in the correct order to explain the changes that will occur.

• The ice cubes will melt into water.

• The water will start to evaporate.

• The temperature of the water will increase.

Where did the water come from?

• the drink inside the can

• the aluminum shell of the can

• rain or tap water that struck the can

• water vapor that was mixed in the air

Fill in the blanks using the available answer choices. When the Sun shines on a puddle, what happens to the water? Select the words that complete the sentences. The Sun _______ the water in the puddle. Then the water _______ into water vapor.

• The Sun heats the water in the puddle. Then the water evaporates into water vapor.

• The Sun cools the water in the puddle. Then the water condenses into water vapor.

• The Sun heats the water in the puddle. Then the water freezes into water vapor.

• The Sun cools the water in the puddle. Then the water boils into water vapor.

Both glass and plastic wrap could be used as a window for a house. Why is glass the better choice?

• Glass is stronger and sturdier than plastic wrap.

• Glass lets light pass through it, while plastic wrap blocks light.

• Glass may shatter into tiny pieces, while plastic wrap does not shatter.

• Glass is easy to cut into any shape, while plastic wrap is difficult to cut.