Gr.2-Q3 Science Mind Challenge

EASY ROUND

What is gravity?

• It is a powerful element of food.

• It is a force that makes it harder to move things.

• It is a force that pulls things toward the center of the Earth.

• A piece of iron or steel that attracts other objects made of iron or steel.

EASY ROUND

Which of the words is best defined as push and pull?

• forces

• speed

• stretches

• twist

EASY ROUND

What is a natural light?

• It is a lamp.

• It is made by man.

• It is a source of light that has its own light.

• It is a source of light that does not have its own light.

EASY ROUND

Which of the following materials will melt when placed under the sun?

• box

• cotton

• stone

• crayons

EASY ROUND

What do you call the bending of light ray?

• opaque

• reflection

• refraction

• transparent

AVERAGE ROUND

How does a magnet work?

• The magnet gives magic.

• The magnet can attract wood.

• The magnet can attract to silver.

• The magnet can attract the metals like iron, cobalt and nickel.

AVERAGE ROUND

What are the most common sources of force?

• soil, wave, rain, air, and rocks

• gravity, magnet, wind, sun, and ocean

• sun, magnet, wind, water, and electricity

• gravity, magnet, wind, water, and electricity

AVERAGE ROUND

Which of the following is the use of light energy?

• It makes us feel.

• It can make us smell.

• It can make us hear sounds.

• It enables us to see the beautiful things around us.

AVERAGE ROUND

Which object manifests rotational motion?

• 
• 
• 
• 

AVERAGE ROUND

Which of the following materials can reflect light in one direction?

• closed door

• glass of water

• large table

• mirror in the room