4th Grade 1st 6 Weeks Review

The higher the number on a thermometer, the _________ the temperature.

• colder
• warmer
• hotter

Which statement best explains what will happen to the ice cube and glass marble in a container of water.

• The ice cube will sink in water and the glass marble will float
• The ice cube will float in water, and the glass marble will sink
• The ice cube and the glass marble will both float
• The ice cube and the glass marble will both sink

Why does a liquid take on the shape of the container that holds it?

• They are in a tight, regular pattern, & move back and forth around a point
• They are close together, not a regular pattern, & move easily past each oth
• They aren't in a pattern -don't stay close, move quickly past each other
• None of the above answers are correct.

Which of the following BEST describes the difference between the particles of a solid and the particles of a liquid?

• S- closely packed can't move freely L -loosely packed, takes shape of cont
• Solid -closely packed together. Liquid- can move in any direction
• Solid can take the shape of container. Liquid spread out in any direction
• L- loosely packed, take shape of container. Gas spread out move any direct

Matter that expands to take the shape of a container is a —

• liquid
• solid
• gas
• molecule

Matter that has a definite size and shape is a —

• liquid
• solid
• gas
• molecule

Which description best describes the process that liquid water will undergo when placed and left in the freezer?

• The liquid water will change into a gas.
• The liquid water will change into a solid.
• The liquid water will remain the same.
• The liquid water will evaporate.

Which of the following examples best demonstrates matter melting?

• Boiling water on the stove
• Placing juice in the refrigerator
• Leaving ice cream out in the sun
• Cooling a bowl of soup that is too hot

The weather vane shows the wind direction for an east Texas town. Which direction is the wind blowing?

• Northeast
• Southwest
• Northwest
• Southeast

Your mom fills a pot with water and places it on a hot stove. Soon you notice steam rising. What's happening?

• The heat is creating more energy in the water and being changed to a gas.
• The heat is creating more energy in water and it is being changed to solid.
• The heat is creating less energy in water and is being changed to liquid.
• The heat is creating less energy in the water and nothing is being changed.