Matter 1
Barb has a bucket of snow with a mass of 20 kg. After the snow melts, what will most likely be the mass of the bucket of water?
A. 15 kg
B. 20 kg
C. 35 kg
D. 40 kg
B. 20 kg
Which causes surface water in a lake to heat up during the hot summer?
A. Conduction
B. Convection
C. Evaporation
D. Radiation
D. Radiation
Campers burned logs in a campfire. How would the campers know that a chemical change has taken place?
A. the logs changes shape
B. the rocks glowed when heated
C. the wood became a different substance
D. the ground absorbed the heat from the coals
C. the wood became a different substance
Which best describes how heat moves from one solid to another solid?
A. through conduction
B. through convection
C. through insulation
D. through radiation
A. through conduction
How does a decrease in temperature turn water vapor back into a liquid?
A. condensation
B. transpiration
C. precipitation
D. evaporation
A. condensation
Which best explains why a metal ice cream scoop works better than a plastic ice cream scoop when dipped in warm water before scooping ice cream?
A. The metal heats more quickly than the plastic.
B. The plastic heats more quickly than the metal.
C. The metal insulated against heat.
D. The plastic conducts heat.
A. The metal heats more quickly than the plastic.
A jeweler melts gold to make jewelry. As the gold melts, the mass:
A. increases
B. decreases
C. is destroyed
D. stays the same
D. Stays the same
How do a wooden spoon and a metal spoon react when placed into a pot of hot soup?
A. Neither spoon gets hot because heat does not transfer through metal or wood.
B. Both spoons will quickly become hot because heat transfers through all materials quickly.
C. The metal spoon gets hot sooner because heat transfers more easily through metal than wood.
D. The wooden spoon gets hot sooner because heat transfers more easily through wood than metal.
C. The metal spoon gets hot sooner because heat transfers more easily through metal than wood.
Jamal filled his swimming pool in his backyard. He obsevered that the water level decreased over time. Which explains why the water level most likely decreased?
A. The volume of the water changed because the air temperature cooled.
B. Plants near the pool used the water via transpiration.
C. Precipitation caused runoff in the pool area.
D. There was evaporation caused by the sun.
D. There was evaporation caused by the sun.
Which container would be best used for cooking food to conduct heat?
A. a container made of foam
B. a container made of glass
C. a container made of metal
D. a container made of plastic
C. a container made of metal
Over time, iron becomes rust. Which type of change must occur for rust to form?
A. chemical
B. mechanical
C. nuclear
D. physical
A. chemical
Which best describes an example of conduction?
A. a heater warming a room
B. water boiling in a pot on a stove
C. an ice cube melting in a cup of hot chocolate
D. cold water moving toward the bottom of a swimming pool
C. an ice cube melting in a cup of hot chocolate
A. Each piece is stronger than the completed model.
B. The mass of the completed model equals the mass of all the pieces.
C. Each piece is made from a different material than the completed model.
D. The mass of the completed model is more than the mass of all the pieces.
B. The mass of the completed model equals the mass of all the pieces.
Which best describes an example of heat transfer through radiation?
A. getting warm in front of a portable heater
B. burning your finger on a curling iron
C. ironing a dress shirt and tie
D. cooking soup on the stove
A. getting warm in front of a portable heater
When the sun warms water, which resulting process occurs?
A. precipitation
B. runoff
C. evaporation
D. condensation
C. evaporation
Which explains how most metals react to being heated?
A. They become brittle.
B. They contract.
C. They expand.
D. They break.
C. They expand.
Which is a chemical change?
A. frying an egg
B. boiling water
C. breaking a glass cup
D. crushing a piece of bread
A. frying an egg
Which container will be less likely to feel cold on the outside when filled with ice?
A. a foam cup
B. a glass cup
C. a metal cup
D. a paper cup
A. a foam cup
After lake water flows through a dam, which processes are most responsible for helping replace the water in the lake?
A. precipitation and runoff
B. transpiration and condesnation
C. condensation and runoff
D. transpiration and precipitation
A. precipitation and runoff
Convection will cause which to occur?
A. melted marshmellow
B. hot pavement
C. strong winds
D. burnt eggs
C. strong winds