Science Quiz For Grade 9
- Question of
When is an atom stable?
- When it has a full outer orbit.
- When it has the same amount of electrons as protons.
- When it has no neutrons.
- When it has an odd number of valence electrons.
- Question of
An ion is formed when an atom loses/gains an electron.
- True
- False
- Question of
A molecule is the same thing as an atom.
- True
- False
- Question of
How many atoms are in Ca(NO3)2
- Ca-1 N-6 O-2
- Ca-1 N-2 O-6
- Ca-6 N-2 O-1
- Ca-2 N-1 O-6
- Question of
Which does not indicate a chemical change has occurred:
- Change of color
- Heat is produced
- Smell is produced
- Light is produced
- Gas is produced
- Solid is produced
- Question of
What is the equation for photosynthesis?
- H2O+oxygen (light+chlorophyll) = CO2+glucose
- H2O+CO2 (light+chlorophyll) = oxygen+glucose
- CO2+light (chlorophyll +water) = H2O+oxygen
- Question of
Photosynthesis provides us with… (more than one answer)
- Energy
- Oxygen
- Glucose
- Water
- Light
- A,B,C
- Question of
Which of the following is not an interaction among ecosystems?
- Competition
- Mutualism
- Equilibrium
- Predation
- Question of
Bioamplification/biomagnification is when toxin levels get higher at each trophic level.
- True
- False
- Question of
____________ is when toxins build up in a single organism.
- Bioamplification
- Bioaccumulation
- Biomagnification
- Question of
The order of the planets is Mars, Venus, Earth, Mercury, Saturn, Uranus, and Neptune.
- True
- False
- Question of
The Milky Way is a bar-shaped galaxy.
- True
- False
- Question of
A star is made of burning hydrogen and helium.
- True
- False
- Question of
The Moon is not a satellite.
- True
- False
- Question of
A circumpolar constellation can be seen
- Once a year
- All year round
- Never
- Once in every 100 years
- Question of
What are some circumpolar constellations? (more than one)
- Draco
- Ursa major
- Little dipper
- Leo
- Aquarius
- A,B,C,
- Question of
Static electricity only happens on conductors.
- True
- False
- Question of
Why would you get a shock from an object?
- Electrons hate you
- Electrons want to discharge
- Protons jump to an opposite charged object
- Question of
Which is not a method of discharging?
- At a point
- A spark
- Friction
- Moisture
- Question of
Current is the only form of electricity.
- True
- False
- Question of
What is not a method of creating static electricity?
- Friction
- Lightning
- Contact
- Induction
- Question of
Measurable or numerical information is called:
- Qualitative Data
- Quantitative Data
- A Variable
- A Hypothesis
- Question of
Which of these elements is a noble gas?
- Krypton
- Hydrogen
- Nitrogen
- Oxygen
- Question of
What is true of a balanced chemical equation?
- There are always more products than reactants.
- The number of moles of products equals the number of moles of reactants.
- Both sides of the reaction have the same number and types of atoms.
- Energy is always released.
- Question of
A vector describes:
- Direction Only
- Magnitude Only
- Size and Shape
- Magnitude and Direction
- Question of
Which of the following is an example of a malleable element?
- Helium
- Gold
- Sulfur
- Bromine
- Question of
Which of the following is an example of a malleable element?
- Friction
- Mass
- Centripetal Force
- Velocity
- Question of
. What do you get when you mix an acid and a base?
- Amino Acid
- A Soap
- A Salt
- A Sugar
- Question of
Which is not an example of a chemical reaction?
- Substance changes colour
- A precipitate is formed
- Substance breaks in half
- Change in temperature
- Question of
A pure substance is made up of only one particle
- True
- False