Chapter 1 Test - Science Review

What safety equipment must be worn to protect your eyes?

• gloves

• goggles

• petri dish

• glasses

If Jacobs designs an experiment to test the effects of acid on an object and wants others to repeat his experiment. What must Jacob do to make this possible?

• Write detailed steps to his procedure

• Share his results

• present his hypothesis so others can have a similar procedure

• Explain his conclusion and evidence

Tags

NGSS.MS-LS2-4

Mrs. Smith comes home to find a broken flower vase on the counter and a clump of short hairs next to it. What could she infer from this scene?

• A burglar in an expensive fur coat broke the vase.

• Her cat jumped on the counter and knocked the vase over.

• A vase containing hair fell over during an earthquake.

• An animal was shedding

Define Inference

• An hypothesis

• Writing steps to a procedure

• Well-defined question

• To infer what you observe

How does a scientific investigation usually begin?

• Inference

• Well-defined question

• Hypothesis

• Study real objects

A Scientific Conclusion must be based on an opinion to be valid?

• True

• False

It takes four 20 grams cubes to balance a rock sample using a pan balance. What is the mass of rock?

• 80 grams

• 60 grams

• 50 grams

• 90 grams

Tags

NGSS.MS-PS1-5

Which science tool is used to find the strength of an object's force and measured in Newtons?

• Weight Scale

• Spring Scale

• Prong Scale

• Gram Scale

This chart shows how quicky 7 grams of sugar dissolves in 2 liters of water. What statement can be made about the data below?

• Temperature: 23 degrees Celsius

  Dissolving time: 3 minutes

• Temperature: 3 degrees Celsius

  Dissolving Time: 10 minutes

Tags

NGSS.MS-PS3-4

Which of these statements would not be a reason that scientists use models?

• To make it easier to control variables

• To study things that are difficult to observe

• To make it unnecessary to study the real object

• To study things that are very large

Tags

NGSS.MS-ESS1-1