Chapter 1 Review (Check))

Why does the process of science not happen by itself?

• It requires a lot of money

• It is driven by the curiosity of scientists

• It needs special weather conditions

• It only happens in laboratories

Which of the following is an example of a qualitative observation in science?

• Describing the color of a flower

• Measuring the mass of a rock

• Calculating the speed of a car

• Counting the number of seeds in a fruit

Describe one way technology has changed people's lives according to the passage.

• It has allowed people to communicate by telephone between almost any two places in the world.

• It has made people forget history.

• It has stopped people from using electricity.

• It has made people dislike science.

If you push on something that is sitting still and it starts to move, what have you applied?

• Energy

• Force

• Mass

• Volume

What type of energy do moving objects have?

• Kinetic energy

• Potential energy

• Chemical energy

• Thermal energy

What is the goal of a scientific method?

• To find answers to questions through observation and experimentation.

• To memorize scientific facts.

• To create new laws of the universe.

• To make technology faster.

How does a scientific law differ from a scientific theory?

• A scientific law describes what happens; a scientific theory explains why it happens.

• A scientific law is always wrong; a scientific theory is always right.

• A scientific law is a guess; a scientific theory is a fact.

• A scientific law is only used in chemistry; a scientific theory is only used in biology.

If the data from an experiment does not support the hypothesis, what should a scientist do next?

• Revise the hypothesis or propose a new one

• Ignore the data

• Repeat the experiment without changes

• Publish the results anyway

What should you do if you are in doubt about any step in a laboratory activity?

• Ask your teacher for an explanation.

• Guess what to do next.

• Skip the step.

• Ask a classmate to do it for you.

• 1.5 × 10^11 m

• 1.5 × 10^9 m

• 1.5 × 10^8 m

• 1.5 × 10^10 m