Science Topics 1-4 Review

Sally and Sam were looking at lake water through a microscope. They saw this image. Sally wondered what it was. Sam said it had to be a living thing because it was

• moving.

• made of cells.

• green.

• round throughout.

Tags

NGSS.MS-LS1-1

The basic unit of life is called a(n) . . .

• cell.

• atom.

• molecule.

• organelle.

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Your science teacher has asked the class to make a cell city model. Which building or business in the city could represent the mitochondria, and why?

• city hall - control center

• power company - produces energy

• city dump - waste storage

• roads - transportation system

Tags

NGSS.MS-LS1-2

This cell structure protects and gives shape to plant cells. It is the . . .

• cytoplasm.

• cell membrane.

• vacuole.

• cell wall.

Which cell structure is the "gatekeeper", controlling what goes in and out of the cell?

• the cell membrane

• the nucleus

• the ribosomes

• the endoplasmic reticulum

Tags

NGSS.MS-LS1-2

Below is a list of five terms. Drag and drop each term into the box so that they are in the correct order of level of organization from simplest to most complex.​

• organelle

• tissue

• cell

• organ system

• organ

Tags

NGSS.MS-LS1-3

The human heart is an organ that is made up of cells. Not all of the cells that make up the heart are identical, however. What name is given to a group of similar cells that perform a special function and together make up an organ?

• system

• tissue

• embryo

• organelle

Tags

NGSS.MS-LS1-3

The human stomach is an organ that helps us digest food. The stomach is one of many organs involved in the process of digestion. Others include the esophagus, small intestine, pancreas, and gall bladder. What name is given to a set of organs that work together to perform a specific function?

• phylum

• system

• tissue

• centriole

Tags

NGSS.MS-LS1-3

The lungs and respiratory system work closely with which system to make sure oxygen reaches all the cells of our body?

• circulatory

• itegumentary

• nervous

• digestive

The chart shows four levels of organisms. Which statement correctly describes a level of organization in the human nervous system?

• The organs of the nervous system form a nerve cell.

• Nerve cells group to form nerve tissue.

• The nervous system has two groups of nerve tissues.

• The brain is a group of nervous systems.

Tags

NGSS.MS-LS1-3