Effects of Energy and Forces

How does a magnet affect a metal object without touching it?

• By causing it to become heavier

• By attracting it through magnetic force

• By pushing it away using sound

• By heating it up

What happens when you hear a loud noise?

• The sound directly pushes your body.

• The sound waves move through the air and reach your ears.

• The sound changes the shape of the object making the noise.

• The sound causes an object to become magnetic.

How does the sun affect objects on Earth without touching them?

• By sending light and heat to the Earth

• By pulling objects toward it with gravity

• By causing objects to change shape

• By pushing objects away

Which of the following is an example of how magnets can affect other objects without touching them?

• A magnet attracting a piece of metal from a distance

• A magnet pushing a metal object across a table

• A metal object bending a magnet

• A magnet touching a metal object

What is the impact of sunlight to your body in terms of its effect without a direct contact with your body?

• It can give you a chills.

• It can help produce vitamin D by your body.

• It can moisten your skin.

• It can mute your senses from hearing some sounds.

What kind of energy makes a light bulb glow?

• Sound energy

• Light energy

• Heat energy

• Mechanical energy

What type of energy is produced when a drum is hit?

• Light energy

• Sound energy

• Heat energy

• Electrical energy

How can light energy make something else change?

• If a kettle of water is heating up.

• If it generates electricity via a solar panel.

• If an automobile is driven.

• If a deciduous tree in the fall undergoes a discoloration by turning brown

How does heat energy in the form of a radiator in a home affect the air in the room during winter?

• It cools down the room to make it more comfortable

• It warms up the air to maintain a comfortable temperature

• It creates sound that circulates through the room

• It provides light that illuminates the room

In your idea, which of the following scenarios best demonstrates how light energy is used at school for educational purposes?

• A projector displays images and videos on a screen for a lesson

• Fluorescent lights are turned on to heat the classroom

• Sunlight through the windows helps plants grow in the classroom

• The classroom lights generate sound to alert students about the start of class