Science MCQs

Practice multiple choice questions with instant feedback. Select an option to see if you're correct.

Total Questions
2100
Page 179 of 210
Question 1781 Easy

How does heat travel through a metal rod?

A
Convection
B
Radiation
C
Conduction
D
Diffusion
Question 1782 Easy

What creates ocean currents?

A
Moon's gravity
B
Wind only
C
Convection
D
Earth's rotation
Question 1783 Easy

Why does a blacksmith feel heat from a forge?

A
Conduction
B
Convection
C
Radiation
D
Friction
Question 1784 Easy

What does a shiny surface do to heat radiation?

A
Absorbs it
B
Reflects it
C
Transmits it
D
Ignores it
Question 1785 Easy

Why are double-paned windows effective?

A
They look good
B
They trap air for insulation
C
They are stronger
D
They are cheaper
Question 1786 Easy

What is the main heat transfer method in a greenhouse?

A
Conduction
B
Convection
C
Radiation
D
Condensation
Question 1787 Easy

Why does ice wrapped in jute melt slowly?

A
Jute conducts heat
B
Jute insulates
C
Jute absorbs heat
D
Jute reflects heat
Question 1788 Easy

How does a feather coat keep a bird warm?

A
By generating heat
B
By trapping body heat
C
By reflecting heat
D
By conducting heat
Question 1789 Easy

What happens when you heat water at the bottom of a container?

A
It freezes
B
It evaporates
C
It circulates by convection
D
It glows
Question 1790 Easy

Why is convection not possible in solids?

A
Solids are too heavy
B
Particles cannot move freely
C
Solids melt
D
Solids radiate heat
Showing 1781-1790 of 2100 questions

Quick Stats

Total Questions 10900
easy 5797
medium 2983
hard 2120

Practice Tips

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Did You Know?

Practice Makes Perfect

Regular practice with MCQs can improve your test-taking speed and accuracy by up to 40%.

Active Recall

MCQs engage active recall, which is 50% more effective for long-term memory than passive reading.