Mixtures Focus Lesson

Mixtures Focus Lesson

Science 8

Multiple Choice

How many different types of particles are in this model? 

• Only 1 type of particle.

• 2 types of particles.

• 3 types of particles.

• 4 types of particles.

Multiple Choice

Is this a pure substance or a mixture?

• pure substance

• mixture

Multiple Choice

How many different types of particles are in this model? 

• Only 1 type of particle.

• 2 types of particles.

• 3 types of particles.

• 4 types of particles.

Multiple Choice

Is this a pure substance or a mixture?

• pure substance

• mixture

Multiple Choice

How many different types of particles are in this model? 

• Only 1 type of particle.

• 2 types of particles.

• 3 types of particles.

• 4 types of particles.

Multiple Choice

Is this a pure substance or a mixture?

• pure substance

• mixture

Multiple Choice

Which of the following is a mixture?

• gold

• cookie dough

• water

• salt

Multiple Choice

Imagine you mix sand and water in a beaker.

How could you separate the sand and water?

Multiple Choice

How could you separate a mixture of iron and sand?

Multiple Choice

Why is it possible to separate iron and sand after they have been mixed?

• The properties of iron and sand become identical once they are mixed.

• The properties of iron and sand change once they are mixed.

• The properties of iron and sand do not change once they are mixed.

Multiple Choice

Imagine you have a mixture of sand and plastic beads you want to separate. You add water to the mixture. The beads float to the top and the sand sinks to the bottom.

Which of the following is true?

• The beads and the sand kept their original densities after they mix.

• The density of the beads and sand changed after they mix.

• The density of the beads and sand become the same after they mix.

Multiple Choice

Which of the following is a mixture?

Multiple Choice

Which of the following is a mixture?

Multiple Choice

Which of the following is a mixture?