Nature of Science Practice Test

1. Which is a qualitative observation?

• The dandelion is 25 cm tall

• The dandelion grew 2 cm this past week

• The dandelion is yellow with a green stem

• The dandelion is delicate, so be gentle!

Which is a quantitative observation?

• The bus was carrying 15 students to the field trip

• The bus is big and yellow

• The bus has poor air conditioning

• The bus was late to my house today

An observation relies on data using your five senses. True / false

• True

• False

Tags

NGSS.MS-LS1-8

A student designs an experiment about friction. He places a toy car down a ramp using different surfaces to test friction. He collects data by measuring the distance the toy car travels after going down the ramp. What is his independent variable?

• the distance the toy car travels

• the height of the ramp

• the different surfaces

• the toy car

A student designs an experiment about friction. He places a toy car down a ramp using different surfaces to test friction. He collects data by measuring the distance the toy car travels after going down the ramp. What is the dependent variable?

• the distance the toy car travels

• the height of the ramp

• the different surfaces

• the toy car

Tags

NGSS.MS-PS2-2

A student designs an experiment about friction. He places a toy car down a ramp using different surfaces to test friction. He collects data by measuring the distance the toy car travels after going down the ramp. What are his constants? Choose all that apply.

• different surfaces for friction

• the toy car

• the height of the ramp

• the location of the meter stick to measure distance

  the distance the car travels

Tags

NGSS.MS-PS2-2

Which statements are true about hypotheses? Choose all that apply.

• A hypothesis must be in question form.

• A hypothesis is an educated guess based on background research.

• A hypothesis must be in the form of a testable explanation.

• A hypothesis is not needed in an experiment.

Daily high temperatures in Tallahassee this past week: 37° C, 65° C, 38°C, 36°C, 35°C. Which is the anomalous data?

• 37° C

• 65° C

• 38°C

• 36°C

Which statement is objective thinking?

• It feels really hot outside

• It feels much cooler standing in the shade

• The temperature outside today is 37° C

• The temperature today feels hotter than it was yesterday

Which statement is subjective thinking?

• The dog jumped 1 meter high.

• Dogs are more well-mannered than cats.

• The cat is purring.

• The dog is white with a big brown spot on its back.