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STAAR Blitz Day 2 - Mixtures, Solutions, & Force

Last updated 7 months ago
11 questions
4
The function of some tools that are used to separate mixtures are shown in the table below. Name the tool that is described by its function.

Drag the tool that best matches the function.
Other Answer Choices:
Magnet
Filter
Hot Plate
Strainer
4
A student is investigating how the height from which a marble is dropped into a pan of flour affects the depth of the resulting crater.

What are the independent variable, dependent variable, and controlled variables in the experiment?

Drag the objects that best matches their definition for this problem.
Other Answer Choices:
Amount of flour in pan
Marble
Height from which the marble is dropped
Depth of the resulting crater
1

A child plays with a soccer ball at a park.

At which positions will a push force be needed? Select TWO correct answers.

2
A student combined two mystery substances in a beaker. The physical properties of each substance changed.

What type of combination was formed, a mixture or a solution? __________

Why did you choose the answer above? __________
1

How can a combination of sand, salt, and iron filings be separated?

3

A student mixes sugar and tea into water.

What properties of the water will change? Select all that are true.

A student released a toy car from the top of a ramp and measured the distance the toy car traveled. The student then released the same toy car from the middle of the ramp and measured the distance the toy car traveled.

1

What force causes the toy car to move down the ramp?

1

What is the independent variable in this experiment?

1

What is the dependent variable in this experiment?

3

What are the controlled variables in this experiment?

1

What question are students most likely trying to answer by conducting this experiment?