Vocabulary True or False Class Experiments Fill in The Blank

What is the nucleus?

The nucleus is the center of an atom, made up of protons and neutrons.

What are electrons?

Electrons are negatively charged particles. They orbit around the outside of the nucleus.

What does is mean for energy to discharge?

When energy builds up in an object, it can discharge (or jump) to another object. This happens in static electricity.

What is an atom? (What is it made of; Where can we find it?)

An atom is made up of small bits of matter. They are found in everything.

DAILY DOUBLE What would make an atom positively charged?

If an atom has more protons than electrons, it is positively charged.

Matter is in everything.

True. Matter is in everything that takes up space. It can be a solid, liquid, or a gas.

Objects with like charges attract.

False. Objects with like charges do not attract.

If an object loses electrons, it has a positive charge.

True. An object will be positive if it loses electrons.

Protons and electrons are found in the nucleus of an atom.

False. Those are not the particles found in the nucleus.

DAILY DOUBLE Protons are discharged to form a type of energy called static electricity.

DAILY DOUBLE False. Protons are not the particles that are discharged.

What happens when you rub a balloon against someone’s hair and move it over bits of paper?

The pieces of paper will begin sticking to the balloon.

Why did the paper stick to the balloon? (Explain what happened.)

The paper stuck to the balloon because the charges were unlike. The hair gave the balloon electrons to attract to the paper’s protons.

Why did the newspaper stick to the wall in one of our experiments?

The electrons from the pencil were discharged to the newspaper cause static electricity.

In the experiment with the static electricity tube, why did the Styrofoam pieces attract to one side of the tube?

It attracted to the side of the tube where the hair was rubbed. The electrons from the hair attracted to the positive Styrofoam particles inside the tube.

DAILY DOUBLE What kind of a charge did the bits of paper have on the table before the balloon interacted with them?

The paper had a neutral or positive charge. It did not interact with any other item to give it a negative charge.

An electric charge forms a type of energy called _________.

Static Electricity

____________ and ____________ are found in the center of the atom.

Protons and neutrons.

Objects with like charges __________ each other.

Repel

When an object loses electrons, it has a ____________.

Positive charge

DAILY DOUBLE An ___________ is a track that an electron follows around the nucleus.

Electron cloud.

Electricity has different forms. One form is called ____________ electricity. This electricity works the lights and TV in your home.

To pick crops when they are ripe.

Crops

The plants farmers grow to sell.

Consumer

A person who buys food and other goods.

Continent

A large body of land.

Ocean

A large body of water.

How do people depend on machines to help them with their work?

Machines help people get more work done and get it done faster.

How do food workers depend on you?

When you buy food, some of your money helps pay the people who grew the food, picked it, packed it, shipped it and sold it.

What is a diagram?

A diagram is a picture that shows the important parts of something.

How is a map different than a globe?

A map is a flat picture and a globe is round.

How is harvesting bananas different from harvesting peanuts?

Bananas are harvested by hand before they ripen. Peanuts are harvested by machines when they are ripe.