5th Grade Science Review Quiz

Which of the following is NOT a component of an ecosystem?

• Plants

• Animals

• Cars

• Water

What is the primary source of energy for most ecosystems?

• Wind

• The Sun

• Electricity

• Thermal vents

In an ecosystem, what role do plants usually play?

• Consumers

• Decomposers

• Producers

• Predators

What happens when you complete an electrical circuit?

• The circuit breaks.

• Electricity flows through the circuit.

• The circuit becomes hot.

• Nothing happens.

Which material is a good conductor of electricity?

• Plastic

• Wood

• Copper

• Rubber

What is the purpose of a switch in an electrical circuit?

• To increase the voltage

• To decrease the resistance

• To open or close the circuit

• To convert AC to DC

What does a voltmeter measure?

• Current

• Resistance

• Voltage

• Power

What is precipitation?

• Water vapor turning into clouds

• Rain, snow, sleet, or hail that falls to the ground

• The process of water evaporating

• Water collecting in large bodies like lakes and oceans

What layer of the Earth is just below the crust?

• Core

• Mantle

• Outer core

• Lithosphere

Which layer of the Earth is made mostly of iron and nickel?

• Crust

• Mantle

• Outer core

• Inner core