Science Staar test grade 5

What is the process by which plants produce their own food called?

• Respiration

• Photosynthesis

• Transpiration

• Fermentation

Which of the following is a renewable energy source?

• Oil energy

• Coal energy

• Nuclear energy

• Solar energy

What causes day and night on Earth?

• Rotation of the Earth on its axis

• Tidal forces

• Revolution of the Moon around Earth

• Movement of the Sun

When baking soda and vinegar are mixed, what type of reaction occurs?

• Polymerization reaction

• Oxidation-reduction reaction

• Acid-base reaction or neutralization reaction

• Combustion reaction

How do plants and animals depend on each other in an ecosystem?

• Plants and animals depend on each other for shelter and warmth.

• Plants and animals depend on each other for oxygen, carbon dioxide, and mutualistic relationships like pollination and seed dispersal.

• Plants and animals depend on each other for transportation and communication.

• Plants and animals depend on each other for entertainment and companionship.

What is the fastest thing in the universe?

• Snails

• Sound

• Light

• Turtles

What is the path along which an electric current flows called?

• wire

• line

• channel

• circuit

What is the function of a resistor in an electric circuit?

• To limit the flow of current in an electric circuit.

• To generate magnetic fields in an electric circuit.

• To store electrical energy in an electric circuit.

• To increase the flow of current in an electric circuit.

How does light travel?

• Light travels in straight lines.

• Light travels in spiral paths.

• Light travels in loops.

• Light travels in zigzag patterns.

What happens when a switch in an electric circuit is turned off?

• The switch becomes warmer.

• The flow of electricity is interrupted.

• The light bulb gets brighter.

• The flow of electricity increases.