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What's going on inside me?

Total questions: 25

Worksheet time: 25mins

Name
Class
Date
1.

What is the smallest part of a living thing?

a)

tissue

b)

cell

c)

organ

d)

organism

e)

organ system

2.

Choose the correct order for the level of organization of living things:

a)

cell, tissue, organ, organ system, organism

b)

tissue, organ system, organism, cell, organ

c)

organ, cell, tissue, organ system, organism

d)

organism, organ system, cell, tissue, organ

3.

Are we as humans made up of one or many cells?

a)

one single cell

b)

many many cells

4.

What does it mean to be a living organism?

a)

living things are made up of cells

b)

living things can survive, grow, reproduce, and they need food

c)

living things eat

5.

True or False: All living things are made up of cells, either one cell or many cells.

a)

true

b)

false

6.

True or False: Bacteria are living things

a)

true

b)

false

7.

True or False: Bacteria are made up of many cells

a)

true

b)

false

8.

In class, we read about "good bacteria" in our digestive system. What do these "good bacteria" do for us?

a)

clean our bodies

b)

help digest food we eat

c)

these bacteria don't do anything for us

9.

In class, we explored a pen as an example of a system. Why is the pen considered a system?

a)

it is small

b)

it is made up of many parts that work together to do one job

c)

it is made by a machine

d)

it does the job of writing

10.

A system is a group of different parts, doing different jobs, that work together to do a specific job. Does the human body fit the definition of a system?

a)

yes

b)

no

11.

A producer is:

a)

an organism that eat plants or animals

b)

an organism that uses the sun's energy to make its own food

c)

an organism that breaks down dead or decaying organisms

12.

Mechanical digestion is:

a)

the physical breakdown of food

b)

the chemical breakdown of food

13.

Chemical digestion is:

a)

the physical breakdown of food

b)

the chemical breakdown of food

14.

When you first chew your food, what kind of digestion is happening?

a)

mechanical digestion

b)

chemical digestion

15.

When food gets further into your digestive system, stomach acid and enzymes begin to coat it and break down the food into its smallest pieces. What kind of digestion happens there?

a)

mechanical digestion

b)

chemical digestion

16.

What happens to the food we eat during digestion?

a)

The food goes right into our cells

b)

The food gets broken down into smaller molecules, then goes into our cells

c)

The food gets broken down and then turns into waste

17.

What are the structures of our teeth?

a)

front teeth: sharp, thinner; back teeth: flat, wider

b)

front teeth: flat, wider; back teeth: sharp, thinner

18.

What are the functions of your teeth?

a)

front teeth: rip and tear food; back teeth: chew and mush food

b)

front teeth: chew and mush food; back teeth: rip and tear bites

19.

In the gummy bear osmosis lab, what happened to the gummy bear in PLAIN WATER?

a)

Water moved OUT of the gummy and it shrunk

b)

Water moved INTO the gummy and it swelled

c)

There was no change

20.

What happened to the gummy bear in SALT WATER?

a)

Water moved OUT of the gummy and it shrunk

b)

Water moved INTO the gummy and it swelled

c)

There was no change

21.

What body system moves food molecules from the digestive system to the cells in your body?

a)

the respiratory system

b)

the nervous system

c)

the circulatory system

d)

the skeletal system

22.

What happens to the amount of sugar in your blood after you eat a meal?

a)

it slowly increases

b)

it decreases

c)

it spikes at first, then decreases

23.

What substances can move into and out of a cell?

a)

sugar

b)

starch

c)

water

24.

We breathe out (more/less) oxygen than we breathe in

(a)  

25.

We breathe out (more/less) carbon dioxide than we breathe in

(a)