5th Grade Science Benchmark PM1

Mammals eat food to get energy. Organs process the nutrients. Some products end up in the blood as waste.

Which organ is responsible for filtering waste out of the blood?

• brain

• kidneys

• stomach

• heart

In a plant, leaves are responsible for the exchange of gasses with the air.

Which body parts are responsible for this process in other animals?

• skin and scales

• lungs and gills

• exoskeleton and skeleton

• stem and spine

Jerome observed the diets of two different types of birds. He recorded the information in his science notebook.

One year, there was a flood, and many of the worms died before they could reproduce.

What most likely happened to the two different species of birds that Jerome had been observing?

• Both species died because there were no more worms.

• Species A left to find worms somewhere else, and Species B started to eat insects.

• Species A ate the insects, and Species B left to find worms somewhere else.

• Species B ate the insects, and Species A left to find worms somewhere else.

Lionfish are an invasive species that have been found off the coast of Florida. They are one of the top fish predators eating over 50 different species of fish.

How has this invasive species impacted the aquatic environment negatively?

• Native fish populations have increased

• The poisonous lionfish are a good source of energy for other predators.

• Native fish do not have enough food to eat.

• The poisonous lionfish scare away sharks.

A praying mantis lays an egg sac that contains over 400 eggs.

How does this adaptation help the praying mantis survive as a species?

• Laying more eggs gives the mother praying mantis more babies to take care of.

• aying more eggs gives predators more babies to eat.

• Laying more eggs does not help the praying mantis survive.

• Laying more eggs means that there is a higher chance some of the babies will survive to become adults.

Sports Specialty Store was expecting a delivery of golf balls and a delivery of soccer balls. The store had ordered 2 kilograms of each type of ball. When the boxes were delivered, the labels were ripped. The manager looked at the two boxes and immediately knew which box held which item.

How did the manager know?

• 2 kilograms of soccer balls would feel heavier than 2 kilograms of golf balls

• 2 kilograms of soccer balls have less volume than 2 kilograms of golf balls

• 2 kilograms of soccer balls would feel lighter than 2 kilograms of golf balls

• 2 kilograms of soccer balls have a greater volume than 2 kilograms of golf balls

Preston was playing outside in the snow for a long time and got very cold. When he went inside, he wanted to make his hot tea quickly.

What should he do to help the sugar dissolve in his tea as quickly as possible?

• Add the sugar to the cold water and stir it.

• Add the sugar to the cold water and do not stir it.

• Add the sugar to the hot water and do not stir it.

• Add the sugar to the hot water and stir it.

Josie found beautiful seashells at the beach and kept them in a bucket mixed with sand to protect them on the drive home. When she got home, she started to remove the shells by hand, but was worried she would miss some of them. Her mother said that there was a more efficient way to separate the sand and the shells.

What did her mother use to separate them?

• magnet

• sieve

• water

• filter

Lin needed to label the states of matter based on their atoms.

What properties of a solid would help him label the model correctly?

• Solids completely fill the space in a container.

• Solids keep their shape regardless of their container.

• Solids take the shape of their container.

• There are no properties that would help label this diagram correctly.

Nam wondered what would happen if he kept strawberries out on the counter instead of in the refrigerator. He put 5 strawberries on a paper towel and placed them in the refrigerator. He placed 5 more strawberries on a paper towel and placed them on the counter.

What did Nam observe about the strawberries after 2 weeks?

• Both sets of strawberries showed the same amount of decay.

• Both sets of strawberries had very little changes.

• The strawberries in the refrigerator had not changed very much, while the strawberries on the counter had started to decay.

• The strawberries on the counter had not changed very much, while the strawberries in the refrigerator had started to decay.