Heart of Texas 4th Grade Unit Review

Which TWO items are conductors of electrical energy?

• Wool gloves and plastic tubing

• Copper penny and stainless steel spoon

• Wooden cork and rubber eraser

• Glass marbles and wool gloves

Which of the following is a negative consequence of building on natural landforms?

• It creates new animal habitats.

• It increases pollution.

• It reduces economic gain.

• It saves natural resources.

Which force causes a toy car to roll down a ramp?

• Magnetism

• Gravity

• Friction

• Pushing

What is the most important activity to help you decide who to vote for in an election?

• Print out the official ballot

• Help put out yard signs for the candidates

• Research information about the candidates

• Find out who your friends are voting for

Citizens can participate in civic affairs at the state or local level by:

• Voting and attending town meetings

• Traveling abroad and shopping online

• Watching TV and playing sports

• Reading novels and painting

Which of the following is a positive consequence of building an amusement park?

• Increased tourism and job opportunities

• Increased pollution and noise

• Loss of green space

• Traffic congestion

What does a closed electrical circuit allow to happen?

• It prevents energy from moving

• It allows electrical energy to flow and produce light or heat

• It stops the battery from working

• It makes the wires cold

What should a closed circuit look like?

• A closed circuit should show a complete loop with a power source (like a battery), wires, and a load (like a bulb) connected so that electricity can flow.

• A closed circuit should have a battery and wires, but the wires do not need to connect back to the battery.

• A closed circuit should only have a bulb and wires, without a power source.

• A closed circuit should have a battery and a bulb, but the wires should be disconnected.

How can human modification of the environment have a positive consequence?

• By destroying animal habitats

• By increasing pollution

• By creating recreational opportunities

• By using up natural resources

Which of the following is an example of participating in civic affairs?

• Watching TV

• Writing letters to public officials

• Buying groceries

• Playing video games