4th Grade Topic 2 Quick Check

Front

What is most likely true about a tree that fell down many years ago?

Back

It feels soft and crumbly, and inside it is dark brown like soil.

Front

What happens to an egg when fried?

Back

The properties of the material in the egg will change.

Front

Which action will result in a substance that has new properties?

Back

burning wood to cook hot dogs

Front

The metal chains of a playground swing turn an orange-brown color after a damp spring. What is this orange-brown crust on the surface of the metal chains called? 

Back

rust

Front

What changes a piece of wood into a substance with different properties?

Back

Burning wood in a campfire.

Front

Which action will result in a substance that has new properties? Options: breaking a glass mirror, popping popcorn, shredding a newspaper, cutting oak tree branches

Back

popping popcorn

Front

Which process results in a material with different characteristics?

Back

cooking an egg

Front

Which process results in a material with different characteristics?

Back

rust forming on a bicycle

Front

When a plant decays, what type of change is happening?

Back

Chemical change because the plant breaks down into new substances.

Front

Which of the following is NOT a chemical change?

• burning paper
• a bike lock rusting
• leaves decaying on a path
• ice cream melting

Back

ice cream melting