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STEM JHS Whiz Challenge (Easy Round)

Authored by Science Basic Education Department

Education

9th - 12th Grade

Used 1+ times

STEM JHS Whiz Challenge (Easy Round)
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10 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

An astronaut is studying the stars and notes that the most abundant element in the universe makes up about 75% of its normal matter. This element is also the main fuel in the Sun's nuclear fusion. Which element is it?

Helium

Hydrogen

Oxygen

Carbon

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following numbers is divisible by 8?

88882

77754

99992

66652

Answer explanation

A number is divisible by 8 if its last three digits form a number divisible by 8.

  • 88882 → last three digits: 882 ÷ 8 = 110.25 → not divisible

  • 77754 → last three digits: 754 ÷ 8 = 94.25 → not divisible

  • 99992 → last three digits: 992 ÷ 8 = 124 → divisible ✅

  • 66652 → last three digits: 652 ÷ 8 = 81.5 → not divisible

✅ Therefore, the only correct answer is 99992 (orange).

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What programming language is used behind mBlock's blocks when converted into text code for Arduino?

Python

Java

Scratch

C / C ++

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which UN Sustainable Development Goal (SDG) focuses on ensuring access to affordable, reliable, and clean energy for all?

SDG 7

SDG 8

SDG 11

SDG 13

Answer explanation

Media Image

Sustainable Development Goal #7 is focused on Affordable and Clean Energy.

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What type of mirror is used in a car side mirrors to show a wider view?

Plane Mirror

Parabolic Mirror

Concave Mirror

Convex Miror

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

If 3 x 4 = 12 and 12 = 2 x 6, then 3 x 4 = 2 x 6.
This illustrates the _____.

Transitive Property

Multiplication Property

Symmetric Property

Reflexive Property

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the name of the Lego-based robotics kit commonly used in schools for STEM learning?

Lego Duplo

Lego Technic

Lego Spike Prime

Lego Creator

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