What type of energy does a battery use to produce electricity? 2 Mechanical Chemical Light
What is the watery liquid inside blood called? 3 Platelets Cells Plasma
What do we call the vessels that carry blood AWAY from the heart? 2 Veins Arteries Nerves
What do we call the vessels that carry blood to the heart? 3 Nerves Arteries Veins
What is a spectrum? 3 A type of lamp An instrument for measuring light The bands of colored light formed when white light is split by a prism
How far is the Earth's magnetic north pole from the true geographical North Pole? 2 About 300 miles (500 km) About 600 miles (1,000 km) About 900 miles (1,500 km)
Why does a puddle dry up when the Sun comes out? 1 The water evaporates. The water condenses. The water solidifies.
How does heat pass through a solid object? 2 By radiation By conduction By circulation
What is convection? 2 A form of friction The way heat travels through a liquid or gas The movement of blood around the body
Where are alveoli found? 2 Inside a flower Inside the lungs Inside a light bulb
Which planet is closest to the Sun? 3 Saturn Neptune Mercury
Which of these planets is furthest from the Sun? 1 Pluto Saturn Venus
How many years ago were the planets formed? 2 About 1,000 million years ago About 5,000 million years ago About 10,000 million years ago
With what does iron react to make rust? 1 Water and oxygen in the air Water and hydrogen in the air Water and carbon dioxide in the air
What is humus? 3 A type of cloud A type of bone The top layer of soil
What is a nimbus? 2 A type of nerve A type of cloud A type of bone
Where is chyme formed? 3 In the heart In the brain In the stomach
What stops food from going into the windpipe? 3 The alveoli The tongue The epiglottis
Which of these is the third planet from the Sun? 2 Mercury Earth Mars
What type of machine does a crane often use to make it easier to lift a load? 2 A wheel and axle A pulley A lever
How many axles does a four-wheel drive car have? 2 four two one
How many muscles are there in the human body? 3 Fewer than 100 About 500 More than 600
What is a solvent? 3 A mixture of salts A substance that dissolves in a liquid A liquid in which a substance dissolves
What is a solute? 1 A substance that dissolves in a liquid A liquid in which a substance dissolves A mixture of salts
