Number Ninjas
Math Masters
Junior Explorers
Science Superstars
Math + Science
100

Which number is the odd one out?


A. 2     B. 10      C. 5       D. 6

A. 5

100

What has 4 sides but is not a square?


A. Triangle        B. Rectangle

C. Circle          D. Cube

B. Rectangle

100

Which planet is known as the Red Planet? 


Mars

100

Which one of these is the largest planet in our solar system?


A. Earth         B.  Mars 

C. Jupiter       D. Venus

C. Jupiter

100

The Earth takes 365 days to go around the Sun. How many days are in 2 years (not a leap year)? 

A. 730        B. 725
C. 735        D. 740

A. 730

200

I am a number. Add me to any number, and the result is always the same number you started with. 

What number am I?


A. 0     B. 1     C. 10      D. 100

A. 0

200

47 is 10 more than ______


A. 57   B. 37  C. 56  D. 60

B. 37

200

What force pulls objects down to Earth? 

Gravity

200

Plants make their own food using light, carbon dioxide and water. What so we call this process?

 Photosynthesis

200

A human adult usually has 32 teeth. How many teeth do 4 adults have together? 

A. 64          B. 96

C. 108        D. 128

Answer: D. 128

300

Which shape has the 5 sides?


A. Pentagon             B. Hexagon
C. Octagon              D. Heptagon

A. Pentagon

300

What time is quarter to 06:00?


A. 05:30        B. 05:45   

C. 06:15        D. 06:45

B. 05:45

300

Which of the following substances is the product of photosynthesis? 

A. carbon dioxide, sugar

B. sugar, water

C.sugar, oxygen

D. oxygen, carbon dioxide

C.sugar, oxygen

300

Plants can make food because they have a green substance called?

Chlorophyll

300

A volcano erupted and released 2,500 tons of ash. Another eruption released double that amount. How many tons of ash were released in total?

A. 5,000        B. 7,500
C. 10,000       D. 12,500

B. 7,500

400

A. 3    B. 5    C. 6    D. 7

D. 7

400

What is the answer to:

2 + 3 × 2 = ?


A. 10    B. 12    C. 8    D. 7

C. 8

400

What is the chemical symbol (or formula) for carbon dioxide? 

 CO₂

400

What is the chemical symbol (or formula) for water? 

H₂O

400

A snail that climbs 3 meters in the day and slips 2 meters at night. 

How many days will it take to reach the top of the 4-meter wall?


A. 1 day    B. 2 days    C. 3 days     D. 4 days

B. 2 days

You'll often see snails hanging upside down on glass or crawling straight up walls. Its slime and muscles work together like natural suction and glue. They don’t slide down easily even on vertical or upside-down surfaces because of a combination of their mucus, muscular foot, and strong grip. 


500

I am a whole number. Multiply me by 4, then subtract 6, and you get 18. What number am I?


A. 6    B. 5    C. 8    D. 4

A. 6

500

How many squares can you see?

A. 9   B. 10   C. 13   D. 14

D. 14

500

TRUE OR FALSE: In the process of photosynthesis, the amount of sugar produced depends only on the amount of light and not on the amount of carbon dioxide and water.


FALSE
500

In the process of photosynthesis, ________ is taken in by the plant through tiny openings on its leaves.

carbon dioxide

500

The human heart beats about 70 times per minute. How many times will it beat in 2 hours?

A. 4,200        B. 7,200
C. 8,400        D. 9,600

B. 8,400