Electric Light Heat Energy Magnetism and Sound 5

Electric Light Heat Energy Magnetism and Sound 5 pt 10 pt 15 pt 20 pt 25 pt Category Points

This word means a path along which electrons can flow. Category 5 Points

An electric circuit Category 5 Points

This kind of electrical circuit has only one way for the electricity to flow. Category 10 Points

A series circuit Category 10 Points

This kind of electrical circuit has more than one way for the electricity to flow. Category 15 Points

A parallel circuit Category 15 Points

What is the word for a material that does allow the electricity to flow? Category 20 Points

Conductor Category 20 Points

What is the word for a material that does not allow the electricity to flow? Category 25 Points

Insulator Category 25 Points

What provides the light energy for the Earth? Category 5 Points

The Sun Category 5 Points

What do plants use light energy for? Category 10 Points

For photosynthesis (to make their own food) Category 10 Points

What does reflection mean? Category 15 Points

When light energy bounces off an object Category 15 Points

What does refraction mean? Category 20 Points

When light energy passes through and object and changes direction (is bent) Category 20 Points

What can be used to separate white light into a rainbow? Category 25 Points

A prism Category 25 Points

What provides the heat energy for the earth? Category 5 Points

The Sun Category 5 Points

What is the energy that causes changes in the water cycle? Category 10 Points

Heat energy from the sun Category 10 Points

What is the boiling point of water? Category 15 Points

100°C (212°F) Category 15 Points

At what temperature does ice melt? Category 20 Points

0° C (32° F) Category 20 Points

What happens to molecules of water when heat is added? Category 25 Points

More heat energy causes the molecules to move faster Category 25 Points

Using a battery, a copper wire, and an iron nail can make __________. Category 5 Points

An electromagnet Category 5 Points

What causes sound energy? Category 10 Points

Vibrations Category 10 Points

Will the two magnets attract or repel? N S S Category 15 Points N

Repel N S S Category 15 Points N

Light energy and sound energy both travel in _____. Category 20 Points

Waves Category 20 Points

Why is there no sound on the moon? Category 25 Points

Because there is no air to carry the vibrations Category 25 Points