Science Quiz - Stage 9 (remedial class)

What is the name of the mineral needed to make chlorophyll?

• Nitrogen

• Potassium

• Magnesium

• Calcium

Which element has the electronic structure 2.8.4?

• Sodium (Na)

• Silicon (Si)

• Carbon (C)

• Calcium (Ca)

What type of bonding is present in a water molecule?

• Ionic

• Metallic

• Covalent

• Hydrogen

Which process is responsible for the movement of water through the plant's xylem vessels?

• Diffusion

• Active Transport

• Transpiration

• Photosynthesis

Which of the following will make a sound louder?

• Increasing the frequency

• Decreasing the frequency

• Increasing the amplitude

• Decreasing the amplitude

Circle the sound with the highest pitch.

• A

• B

• C

• D

Which of these increases the pitch of the sound?

• increasing the frequency

• decreasing the frequency

• increasing the amplitude

• decreasing the amplitude

What is the name given to clouds of dust and gas that collapse due to gravity?

• Nebula

• Asteroid Belt

• Comet

• Meteor

Which of the following elements is the most reactive?

• Copper

• Iron

• Zinc

• Magnesium

What is the correct word equation for the reaction between zinc and copper sulfate?

• Zinc + Copper = Zinc Sulfate + Copper

• Zinc + Copper Sulfate = Zinc Sulfate + Copper

• Zinc Sulfate + Copper = Zinc + Copper Sulfate

• Zinc + Sulfate = Copper + Zinc Sulfate