8th grade 2nd 9 weeks test

Front

What color are the berries on MOST mistletoe plants?

Back

White

Front

What is the force that pulls objects towards each other?

Back

Gravity

Front

What happens when an electromagnet turns off?

Back

It is no longer a magnet, and the magnetic force goes away.

Front

What colors can the bracts of a poinsettia be?

Back

Red, pink, white, orange, and purple

Front

Magnetism is a _________ force.

Back

Non-contact

Front

What is the definition of gravity?

Back

A force that attracts two bodies towards each other.

Front

What is an electromagnet?

Back

A type of magnet in which the magnetic field is produced by an electric current.

Front

What is the difference between contact and non-contact forces?

Back

Contact forces require physical touch, while non-contact forces act at a distance.

Front

What are the primary colors of light?

Back

Red, green, and blue.

Front

What is the role of bracts in a plant?

Back

Bracts are modified leaves that can attract pollinators and protect flowers.