New Substances
Heat
Mixtures
Insulators/Conductors
Random
100
Which is the best example of a new substance forming?
A lighting a match
B cutting a piece of paper
C popping a balloon
D hitting a nail with a hammer
A lighting a match
100
Which one is a clue that a chemical change is happening?
A. The temperature in a beaker decreased when you mix two liquids in it.
B. A liquid changes to a gas when it reaches a high temperature
C. A sheet of paper changes shape as you cut it with scissors.
D. A car door feels hot if you touch it on a sunny afternoon.
A. The temperature in a beaker decreased when you mix two liquids in it.
100
A student had three containers made from different materials. The student wanted to know which container would keep ice from melting the longest. He placed 50 g of ice in each container. He collected and recorded data on the amount of ice in the container every ten minutes for one hour.
In which order did the ice completely melt?
A. Metal, plastic, glass
B. Plastic, glass, metal
C. Metal, glass, plastic
D. Glass, plastic, metal
C. Metal, glass, plastic
100
Four boys are drinking hot chocolate. Their cups are made of different materials. Which cup will be hottest to touch?
A. Glass cup
B. Metal cup
C. Paper cup
D. Plastic cup
B. Metal cup
100
Sunshine City wants to lower the heat by paving the sidewalks. Which pavement is most likely a good choice?
A. black pavement because it absorbs heat
B. black pavement because it reflects heat
C. white pavement because it reflects heat
D. white pavement because it absorbs heat
C. white pavement because it reflects heat
200
Students observed a piece of iron change from shiny to rusty. What caused this change?
A a chemical reaction
B a heat reaction
C a cold reaction
D a physical reaction
A a chemical reaction
200
Jason fills a glass container completely with water and screws the lid on tightly. He places the container in a freezer. Which will most likely result?
A The container will prevent the water from freezing.
B The water will freeze and take up less space in the container.
C The water in the container will expand when it freezes and cause the container to crack.
D The container will absorb heat from the water, causing it to crack.
C The water in the container will expand when it freezes and cause the container to crack.
200
A student had three containers made from different materials. The student wanted to know which container would keep ice from melting the longest. He placed 50 g of ice in each container. He collected and recorded data on the amount of ice in the container every ten minutes for one hour.
Which container would be the best for keeping something cold?
A. Metal because the ice in the metal container took the shortest time to melt.
B. Plastic because the ice in the plastic container took the longest time to melt.
C. Glass because the ice lasted longer than the plastic and metal containers.
D. There is no way to know which one is best as the ice melted in every container.
B. Plastic because the ice in the plastic container took the longest time to melt.
200
Which material is best used to keep cold drinks from getting warm too quickly?
A glass, because it is a good conductor of heat
B foam, because it is a poor conductor of heat
C metal, because it radiates heat
D paper, because it conducts heat
B foam, because it is a poor conductor of heat
200
Ben weighed a strawberry in a sealed, plastic bag. After one week, Ben noticed the strawberry was much smaller and the bag appeared to have more air in it. Which is true about the strawberry and plastic bag after one week?
A. The weight is more because the bag is bigger.
B. The weight is less because the strawberry is smaller.
C. The weight is the same because the plastic bag was sealed.
D. The weight is less because air weighs less than strawberries.
C. The weight is the same because the plastic bag was sealed.
300
Two liquids are poured together, and a solid substance forms with no liquid remaining. Liquid 1 has a mass of 200 grams, and liquid 2 has a mass of 100 grams. What would be the total mass of the solid substance formed?
A 100 grams
B 150 grams
C 250 grams
D 300 grams
D 300 grams
300
What happens to metal railroad tracks during the heat of a summer day?
A decrease in weight
B increase in weight
C decrease in length
D increase in length
D increase in length
300
A student had three containers made from different materials. The student wanted to know which container would keep ice from melting the longest. He placed 50 g of ice in each container. He collected and recorded data on the amount of ice in the container every ten minutes for one hour.
What can the student do to make sure the test was a fair test?
A. Keep all containers the same size.
B. Use different scales for weighing the ice.
C. Vary the amounts of ice in each container.
D. Start collecting data after the ice begins to melt.
A. Keep all containers the same size.
300
A student heats some water in a pan on a stove. The handle of the pan gets hot. Which is MOST LIKELY true about the handle?
A. The handle is made of wood
B. The handle is made of plastic
C. The handle is an insulator
D. The handle is a conductor
D. The handle is a conductor
300
The table below shows the properties of two materials.
What statement about the materials is most likely to be correct?
A. Material 1 is glass and Material 2 is iron.
B. Material 1 is plastic and Material 2 is wood.
C. Material 1 is iron and Material 2 is glass
D. Material 1 is glass and Material 2 is plastic.
A. Material 1 is glass and Material 2 is iron.
400
Which describes a change in which one or more new types of matter form?
A. Heat transfer
B. Chemical change
C. Change of state
D. Physical change
B. Chemical change
400
What will most likely happen when warm water is added to a bowl of cold water?
A. The colder water particles will lose thermal energy, and the warmer ones will gain thermal energy.
B. The warmer and colder water particles will both lose thermal energy.
C. The warmer and colder particles will both gain thermal energy.
D. The warmer water particles will lose thermal energy, and the cooler ones will gain thermal energy.
D. The warmer water particles will lose thermal energy, and the cooler ones will gain thermal energy.
400
Lily makes a fruit salad to bring to a party. She mixes one cup of grapes, one cup of apples, one cup of bananas and one cup of frozen strawberries. She wonders if she has made a new substance as the strawberries are frozen. Which claims and evidence statement is correct?
A. Yes, she made a new substance as the strawberries will thaw out in the fruit salad.
B. Yes, she made a new substance as she put many ingredients together and ended up with a fruit salad.
C. No, she did not make a new substance as the individual ingredients did not change.
D. No, she did not make a new substance as food can not change into a new substance.
C. No, she did not make a new substance as the individual ingredients did not change.
400
Jake is wearing gloves while he gets a hot pan out of the oven. Which best explains why Jake needs to wear gloves while he is carrying the hot pan?
A. The gloves protect his hands from convection heat in the hot pan.
B. The gloves protect his hands from heat that is radiated through the hot pan.
C. The gloves protect his hands from heat that is conducted through the hot pan.
D. The gloves protect his hands from heat that enters the pan from the surrounding air.
C. The gloves protect his hands from heat that is conducted through the hot pan.
400
Tyler placed a bottle of water in the freezer to cool it down. He forgot the bottle in the freezer overnight. In the morning he noticed several differences. The water:
was solid,
the water did not look as transparent,
the bottle changed shape as the liquid had expanded.
His younger sister asked him if the weight had changed. What would be the correct answer?
A. Yes, the weight changed as expanding means it became larger.
B. Yes, the weight changed as colder objects weigh more.
C. No, the weight did not change as the amount of water stayed the same.
D. No, the weight did not change as liquid has volume but not mass.
C. No, the weight did not change as the amount of water stayed the same.
500
The Walker family went on vacation and left 2.7 kilograms of milk in their refrigerator. The milk began to spoil, and there were lumps in it when the Walkers returned home. Which is most likely the mass of the spoiled milk?
A. 1.4 kg
B. 2.7 kg
C. 5.4 kg
D. 8.1 kg
B. 2.7 kg
500
Which material is a good conductor of heat?
A. Aluminum
B. Glass
C. Plastic
D.Wood
A. Aluminum
500
Lily took a glow stick to a camping trip. She recorded her observations before and after she snapped the glow stick.
Did Lily make a new substance?
A. Yes, a new substance was made as the glow stick gave off light.
B. Yes, a new substance was made as the glow stick was green.
C. No, a new substance was not made as the glow stick stayed the same length.
D. No, a new substance was not made as the shape of the container stayed the same.
A. Yes, a new substance was made as the glow stick gave off light.
500
Which best explains how ice melts in a person’s hand?
A. The heat from a person’s hand transfers by radiation to the ice, causing it to melt.
B. The heat from a person’s hand transfers by conduction to the ice, causing it to melt.
C. The cool temperature of the ice transfers by radiation to a person’s hand, cooling it off.
D. The cool temperature of the ice transfers by conduction to a person’s hand, cooling it off.
B. The heat from a person’s hand transfers by conduction to the ice, causing it to melt.
500
A student has a pitcher of lemonade. The student claims that the pitcher of lemonade would weigh the same amount as the pitcher, water, and lemonade mix combined. The student plans an investigation to obtain evidence to support this claim. The chart shows the steps in the investigation.
Step 1: Gather the tools (pitcher, stir stick) and ingredients (lemonade mix, water).
Step 2: Weigh the pitcher, the water and the lemonade mix individually.
Step 3: Stir the water and lemonade mix in the pitcher.
Step 4: Once finished, weigh the pitcher of lemonade.
Which steps in the investigation would provide evidence to support the claim?
A. Steps 1 and 2
B. Steps 1 and 3
C. Steps 2 and 4
D. Steps 3 and 4
C. Steps 2 and 4