G7 - Brain Bee Olympiad

EASY ROUND

Which of the following is the sum of 2 + -5?

• - 7

• 3

• 7

• - 3

EASY ROUND

It is a type of solution that allows the light to pass through it.

• suspension

• saturation

• opaque

• homogeneous

EASY ROUND

The following are units used for measuring a length except for ___.

• Miles

• Meter

• Pounds

• Inches

EASY ROUND

The products of photosynthesis are ___.

• carbon dioxide, water

• glucose, oxygen

• water, oxygen

• glucose, water

EASY ROUND

What is the square root of 25?

• 10

• 5

• 8

• 25

EASY ROUND

The sound waves do not travel through ___.

• air

• liquid

• solid

• vacuum

EASY ROUND

How many years it has in a decade?

• 5 years

• 10 years

• 25 years

• 100 years

EASY ROUND

A substance made up of only one type of atom is a/an ___.

• element

• compound

• alloy

• mixture

EASY ROUND

Which of the following is the quotient of -12 and -4?

• - 3

• - 5

• 3

• 5

EASY ROUND

Energy for carrying out photosynthesis is obtained from the ___.

• fire

• sunlight

• soil

• air