GRADE 7 NATURAL SCIENCES TEST

What is matter?

• Anything that can move

• Anything that has mass and takes up space

• Anything that produces light

• Anything that conducts electricity

Which one is NOT a state of matter?

• Liquid

• Solid

• Gas

• Plasma TV

Which subatomic particle has a positive charge?

• Neutron

• Electron

• Proton

• Nucleus

Which is a non-metal?

• Gold (Au)

• Iron (Fe)

• Oxygen (O)

• Zinc (Zn)

What element does the symbol "Na" represent?

• Nitrogen

• Sodium

• Neon

• Nickel

Which of the following is a compound?

• Air

• Salt (NaCl)

• Steel

• Sand

What is the boiling point used to describe?

• Smell

• Melting

• Taste

• Temperature at which a substance becomes gas

What force pulls objects toward the Earth?

• Friction

• Magnetic

• Gravity

• Tension

What is the unit of force?

• Kilogram

• Meter

• Newton

• Watt

Which method separates iron filings from sulphur?

• Filtration

• Magnetism

• Distillation

• Sorting by hand