Cells

Question 1

The organelle that makes energy for the cell.

Answer 1

Mitochondria

Question 2

The organelle that captures energy from the sun and uses it to create food.

Answer 2

Chloroplast

Question 3

This organelle surrounds and protects the contents of the cell. It also controls what can leave and enter the cell.

Answer 3

Cell Membrane

Question 4

A structure in a cell that has a specific job to do.

Answer 4

Organelle

Question 5

The organelle that stores food, wastes, and other substances that a cell can’t use right away.

Answer 5

Vacuole

Question 6

This takes up a large part of the cell, and is a jelly-like watery fluid.

Answer 6

Cytoplasm

Question 7

A large, dark, round structure that controls a cell’s activities.

Answer 7

Nucleus

Question 8

This organelle is only in plant cells. It is thick, rigid, and made up of cellulose.

Answer 8

Cell Wall

Question 9

Some things can pass through and others can’t.

Answer 9

Selectively Permeable

Question 10

When a cell divides and becomes two cells.

Answer 10

Mitosis

Question 11

It is small and alive, and can perform the functions of life.

Answer 11

Cell

Question 12

An instrument that makes things look bigger by bending light through a lens.

Answer 12

Microscope

Question 13

How many cells are in the average human body?

Answer 13

37 trillion.

Question 14

What are the seven characteristics of life?

Answer 14

Movement, Reproduction, Growth, Response, Excretion, Exchange of gases, Nutrition

Question 15

What happens if an egg is placed in corn syrup?

Answer 15

It will get smaller.

Question 16

Why does an egg become smaller when placed in corn syrup?

Answer 16

Water moves from higher concentration to lower concentration. Because the egg has a higher concentration of water, water will move out of it.

Question 17

What happens if an egg is placed in water?

Answer 17

It will get bigger.

Question 18

Why does an egg become bigger when placed in water?

Answer 18

Water moves from higher concentration to lower concentration. Because the egg has a lower concentration of water, water will move into it.

Question 19

Where does water move to?

Answer 19

It moves from higher concentration to lower concentration.