STAAR Blitz Day 2 - Mixtures, Solutions, & Force

Use a sieve to separate the sand, then use a magnet to remove the iron filings, and finally evaporate the water to get the salt.

Use a magnet to remove the iron filings, then add water to dissolve the salt, and finally filter out the sand with a paper filter.

Use a magnet to remove the iron filings, then use a sieve to separate the sand, and finally evaporate the water to get the salt.

Mechanical energy from the wheels turning.

Friction turning the wheels.

A push from the student.

Gravity pulling the car down the ramp.

The distance the car traveled

Gravity

The toy car

Starting point

The toy car

The starting point

Gravity

The distance the car traveled

Does the starting height of a toy car rolling down a ramp affect the speed the toy car travels?

Does the material of the ramp affect the distance a toy car travels?

Does the starting height of a toy car rolling down a ramp affect the distance the toy car travels?

Does the toy car travel faster or slower depending on the starting height?