1
2
3
4
5
100

How many organ systems are there?

11

100

What unit is force measured in?

Newton

100

What is the largest organ in the body?

Skin

100

What is the unit for speed?

M/s

100

What is the unit for energy?

Joules

200

What substance breaks down food chemically in the mouth?

Saliva has enzymes that break down the molecules of food.

200

What causes changing motion?

Unbalanced forces

200

Who invented the periodic table?

 Dmitri Mendeleev

200

What is the 40th element in the periodic table?

Zirconium

200

what are the two types of electricity? 

static, current

300

What is the 118 element of periodic table?


Oganesson


300
How many elements are there in the periodic table?

118

300
What are the five most important organs? 

Brain, Heart, Lungs, Liver, and Kidney

300

How many organs are there in the human body?

78

300
What is the smallest organ

Pineal gland

400

What organ helps fight infection?

Spleen

400

When an object is in motion, what direction does friction act in?

the opposite direction.

400

What is the strongest element in the periodic table?

osmium

400

What are the three major functions of the muscular system?

movement, Posture, Heartbeat, Blood Flow, and Digestion

400

What is the 23rd element in the periodic table?

Vanadium

500

How many nerves are there in the human body?

7 Trillion nerves

500

Which of the following elements is not in the correct order?

Scandium

Titanium

Vanadium

Chromium

Indium

Manganese

Iron

Cobalt

Nickel

Copper

Indium

500

How does the circulatory system work with the digestive system?

The blood carries nutrients absorbed from digested food.

500

Which element has 42 as its atomic number?

Molybdenum (Mo)

500

What is the 'brain' of the atom?

Nucleus