5th Science Benchmark 3 Review #2

Lee is studying a group of cells under a microscope. His teacher tells him that the cells either came from the leaf of a tomato plant or the scale of a lizard. Lee could conclude that the cells came from the tomato plant if they contained __________.

• chloroplasts

• bacteria

• smaller cells

• empty air

Aullie is using a microscope to look at the cells in onion skin. Why does he need a microscope to look at the cells?

• The microscope separates the individual cells.

• The microscope collects the cells together.

• Cells are too small to see with the naked eye.

• Cells are too far away to see with the naked eye.

Lions, deer, humans, and dogs belong to a group of animals called mammals. All mammal species share many features that help them survive. Which of the following helps all mammal species survive?

• mammals breathe underwater

• mammals have feathers to help them fly

• mammals have milk to feed there young

• all of these

People naturally know how to do some things. People must be taught how to do other things. Which is an activity that a person naturally knows how to do?

• Reading

• Playing the harp

• Eating

• Playing Fortnite

Zak is nine years old. He has brown hair and brown eyes. His favorite color is blue and his favorite hobby is skateboarding. Zak's _______________ is a learned trait.

• hair color

• age

• eye color

• favorite hobby

A bunny, cat, bird, and dog all have a backbone. They all belong to which group?

• reptile

• invertebrate

• mollusk

• vertebrate

Lillie poured a spoonful of sand into a bottle of water. After a few seconds, the sand had settled at the bottom of the bottle. What formed when Lillie combined the sand and the water?

• a pure substance

• a smoothie

• a gas

• a mixture

Delaney placed a tray of water in the freezer. She took the tray out 1 hour later. What happens to the particles of water when they are frozen?

• There are no particles.

• They are packed tightly together.

• They are floating around everywhere.