SCIENCE - HARD

What part of the plant conducts photosynthesis?

What part of the skeletal system protects the brain?

• Rib cage
• Pelvis
• Skull

Which is the strongest sense in dog?

Largest animal in the world.

• Elephant
• Giraffe

• Blue whale

Which planet in our solar system is known for having a beautiful ring system?

• Neptune

• Saturn

• Uranus

How may bones are in the human body?

• 206

• 210

• 204

The concept of gravity was discovered by which famous physicist?

• Albert Einstein

• Sir Isaac Newton

• Galileo Galilei

Instrument used to measure wind speed.

• Anemometer
• Barometer
• Hygrometer

What is the main cause of tides?

• The temperature of the ocean water.
• The rotation of the Earth.
• The gravitational pull of the Moon and the Sun.

The hardest natural substance on earth is _______________.