Nature of science Apex

Question 1

The scale of a treehouse is 1:42. In the scale model, the tree house door is 3 cm tall. How tall is the real door?

Accepted Answer

126 cm

Question 2

Which of these are part of a scientific way of gathering information?

Accepted Answer

Investigations

Question 3

Why is publishing results important in science?

Accepted Answer

It allows others to evaluate the results.

Question 4

How could you replicate the apple experiment?

Accepted Answer

Repeat the experiment on 10 more apples.

Question 5

A student places a balloon over a flask during a baking soda and vinegar experiment. Which descibes the use of balloon?

Accepted Answer

It is logical it allows the student to catch any invisible gases given off.

Question 6

Which two statements describe a claim that is based on science?

Accepted Answer

It is based on empirical evidence., It is based on logical reasoning.

Question 7

Which statement is a hypothesis these students might be using in their experiment?

Accepted Answer

If toy car is rolled down ramps, it will roll fastest on the steepest ramp.

Question 8

If a scientist gets unexpected results during the first trial of an experiment, what should he or she do next?

Accepted Answer

Repeat the experiment to be sure the results are valid.

Question 9

Which type of investigation involves looking for ways that two or more objects are alike and different?

Accepted Answer

Comparative investigation

Question 10

Which of these is important to gathering and interpreting scientific information?

Accepted Answer

Logic

Question 11

Which statement is a scientific claim?

Accepted Answer

Observations of constellations show that stars have moved over time.

Question 12

What evidence disproves that theory that all objects orbit the Earth?

Accepted Answer

The moons of the planet Jupiter are observed revolving around Jupiter.

Question 13

Cutting an apple, dipping them in lemon juice and water. Testing after an hour if it turned brown. Responding variable?

Accepted Answer

The color of the apple wedges after 1 hour

Question 14

a model of an onion skin cell has a scale is 500:1. The cell model has a length of 15 cm, how many cm irl?

Accepted Answer

0.03 cm

Question 15

A student makes a model of a river in a sanbox. What are 2 limitations of the model?

Accepted Answer

The model is missing plants, fish, and other details found in a real river., The model is much smaller than a real river.

Question 16

Which statement is a hypothesis?

Accepted Answer

If an earthworm is given a choice, it will move toward darkness over light.

Question 17

Radio telescopes hfound evidence to baCK UP THE BIG BANG THEORY. wHAT is THE Process of?

Accepted Answer

Using new technology to provide additional supporting data

Question 18

Whata are the 2 limitations of using a solid ball to model an atom?

Accepted Answer

The model does not move or behave like a real atom., The model does not show the true size of an atom.

Question 19

What kind of model is shown?

Accepted Answer

Mathematical

Question 20

Which problem does this model of the solar system solve?

Accepted Answer

The real-life solar system is too large to fit in a laboratory.

Question 21

A test to see whether earthworms prefer rough or smooth surfaces is which type of investigation?

Accepted Answer

Comparative

Question 22

How a paper airplane's shape affects the distance it will fly. Which action is the result of logical reasoning?

Accepted Answer

She decides to use the same type of paper for each airplane.

Questions 22