Maths
Chemistry
Technology
Physics
Geography
100

5-?=15

-10

100

What do you call an atom that has more protons than electrons?

Cations

100

Name five different power sources

Solar panels, air power plant, nuclear power, hydroelectricity power, wave energy, fossil fuel

100

Why can't you tickle yourself?

The human brain does not sense any threat from yourself. It does not see yourself as a threat meaning it does not react

100

Which ocean lies on the east coast of the United States?

The atlantic

200

x+18-5x

-4x+18

200

You can't live without iron. Where in the body is most of the iron located?

Most of the iron in a human is in the bloodstream.

200

When did the iPhone first become available? A-2008 B-2007 C-2006

B-2007

200

How do you calculate the amount of force an object has

F=mxa

200

How many great lakes are there? (1-7)

300

ab+b/b

A+1

300

What is a catalyst? How does it work?

a catalyst is an element that bonds up two different elements to form a chemical reaction.

300

True or false gold is not a conductor of electricity

False

300

What is the speed of earth's gravity? Guess if you dont know

9,18 m/s

300

Which of these cities are not in Europe? A-Reykjavik B-Barcelona C-Moscow D-Prague 

C-Moscow

400

n a packet there are 36 cookies.Three guys eat up almost all cookies. Brahim eats ⅙, David 2/9, Questor 5/12 of the cookies. How much of the cakes remains for Brahim's little brother? respond in fractional form.

7/36

400

What is the fourth most abundant element in the universe in terms of mass? A-carbon B-Nitrogen C-Oxygen D-Helium

A-Carbon

400

What is nanotechnology? explain your answer.

Nanotechnology  are the study of extremely small things and can be used across all the other science subjects, such as chemistry, biology, physics, materials science, and engineering.(Tony´s new iron man suit)

400

What causes a tennis ball to bounce on the floor?

he energy from the ball hits the surface of the floor, this energy needs to get transferred so it sends it backup to the ball and other objects up(mostly the ball)

400

Which U.S. state is the Grand Canyon located in? A-Arizona B-Arizona

 Arizona

500

4ab+8b2/2(a+2b)

2b

500

Water-based liquids can be described as acidic, neutral, or basic, with respect to pH. Which of these describes milk? A-slightly acidic B-Strong acid C-Neutral D-Slightly basic E-Does not have a PH level.

Slightly acidic 500

500

What kind of functions does a motherboard have?

A motherboard is the centre of a computer, were all the cables and other components like the graphics card and the CPU are installed

500

Why is earth in its orbit, estimate the approximate gravitational pull of the sun

The sun's gravitational pull is 274 m/s which is keeping the solar system in place.

500

Which is the largest body of water A-pacific ocean B-Indian ocean C-Atlantic ocean

A-Pacific ocean