6th Grade Science Unit 1 Test OFM 2025-2026

Front

What state of matter has the fastest-moving particles?

Back

Gas

Front

What can be said about the density of an object that floats in water?

Back

Its density is less than water.

Front

What is a heterogeneous mixture?

Back

A mixture where the different parts can be easily seen and separated.

Front

What is an example of a heterogeneous mixture?

Back

Chicken noodle soup.

Front

What is the term for a mixture where the components are uniformly distributed?

Back

Homogeneous mixture.

Front

What is the definition of density?

Back

Density is the mass of an object divided by its volume.

Front

What happens to the density of an object if it sinks in water?

Back

Its density is greater than water.

Front

What is a pure substance?

Back

A material made of only one type of particle.

Front

What is an example of a homogeneous mixture?

Back

Saltwater.

Front

How can you separate sand and rocks?

Back

By using a sieve or filter.