Science Quiz Competition - Quarter Final - Grade 7 A

Science Quiz Competition 2021

Quarter-Final

Department of Science

Manarat International School

Multiple Choice

a pattern of stars that form an imaginary picture or design in the sky

• Orbit

• Rotate

• constellation

• Milky Way

Multiple Choice

Oil is added to the mechanical parts of an engine to ___

• Increase surface area

• Increase friction

• reduce friction

Multiple Choice

Energy gained by an object due to its motion.

• Kinetic energy

• gravitational potential

• strain energy

Multiple Choice

This is an example of...

• Fission reaction

• Fusion reaction

• Decomposition reaction

• Decay

Multiple Choice

The Earth's Convection Currents are found in the __________________.

• Mantle
• Outer Core
• Inner Core
• Lithosphere

Multiple Choice

How long does it take for light to get from the Sun to the Earth?

• 150 million years

• 10 seconds

• 8 minutes

• Sandwich

Multiple Choice

What type of wave is this?

• Transverse

• Longitudinal

• Tidal

• goodbye

Multiple Choice

What type of rock forms from the process shown above

• Igneous

• metamorphic

• sedimentary

• chemical

Multiple Choice

What can warm-blooded animals do that cold-blooded animals cannot?

• Survive in warm climates

• Lay eggs

• Naturally regulate their own body temperatures

Multiple Choice

Which form of energy is produced when a guitar string vibrates?

• Sound energy

• Electrical energy

• Chemical energy

• Light energy

Multiple Choice

If you replace the paper clip with a plastic spoon, what happens?

• The bulb doesn't light

• The bulb is dimmer

• The wires get hot

• There is no change

Multiple Choice

#1 refers to the

• wavelength

• amplitude

• crest

• trough

Multiple Choice

Which item is not made of matter?

• air
• water
• a pencil
• a shadow

Multiple Choice

The water is ______ dense than the boat

• more

• less

Multiple Choice

The right side of the equation below is called the

• products
• reactants

Multiple Choice

• Environment

• DNA

• Nurture

Multiple Choice

If scientists found this fossil, what could they infer?

• what fish are like today

• that this fish lacked oxygen

• that water once covered the area where this fossil was found

Multiple Choice

What is the long-lasting relationship between two different organisms?

• Symbiosis
• Mutualism
• Parasitism
• Commensalism

Multiple Choice

What does biodiversity mean?

• Only one species in an area.

• The different amount of species in an area

• All abiotic life

• Nitrogen fixation