Question 1

Before beginning any science experiment, you should...

Accepted Answer

read the instructions carefully and ask questions if needed

Answer

complete any missing work or make up tests

Answer

wash your hands

Answer

use the restroom

Question 2

When is okay to run in the lab?

Accepted Answer

Never, running will only lead to accidents in the lab

Answer

If you are in a hurry

Answer

If there's a problem and you need to tell the teacher

Answer

If you need to go to the bathroom really bad

Question 3

It is safe to go to what areas during an outdoor investigation?

Accepted Answer

areas specified by the teacher

Answer

sidewalks

Answer

baseball fields

Answer

anywhere near school

Question 4

When will safety goggles help prevent injury?

Accepted Answer

if you accidentally splash chemicals on your face

Answer

if you spill liquids on your clothing

Answer

if you accidentally catch your shirt sleeve on fire

Answer

if you break an empty test tube

Question 5

Kenny has a mass of 13 (kilograms) kg and weight of 127.4 (Newtons) N on Earth. If Kenny were to travel to the moon, what would happen to his mass and weight?

Accepted Answer

Kenny's mass would remain 13 kg, but his weight would change (it would decrease because the gravity decreases on the moon)

Answer

Kenny's weight would remain 127.4 N, but his mass would change (it would decrease because the gravity decreases on the moon)

Answer

Kenny's weight would remain 127.4 N, but his mass would change (it would increase because the gravity increases on the moon)

Answer

Kenny's mass would remain 13 kg, but his weight would change (it would increase because the gravity increases on the moon)

Question 6

Why do a bowling ball and a beach ball have the same volume, but different mass?

Accepted Answer

They are made up of different materials. The amount of matter in the bowling ball (mass) is greater than the beach ball.

Answer

They are made up of different materials. The amount of matter in the beach ball (mass) is greater than the bowling ball.

Answer

They don't have different masses, they just appear to because our mind plays a trick on us.

Answer

The mass is actually different depending on the location. For example, if the beach ball was on the moon, the mass would be lighter.

Question 7

Which tool would you use to separate mixtures with materials of different sizes?

Accepted Answer

sieve

Answer

tongs

Answer

pan balance

Answer

collection net

Question 8

Which tool would be best used to measure humidity?

Accepted Answer

hygrometer

Answer

anemometer

Answer

rain gauge

Answer

barometer

Question 9

The following is a weather map showing high and low air pressure in the U.S. (along with other weather data). The high and low air pressure and represented by H & L. The high pressure, H, represents "happy" weather (clear, cool/mild). The low-pressure, L, represents "low" or sad weather (cloudy, rainy). What tool is used to take measurements on air pressure?

Accepted Answer

barometer

Answer

anemometer

Answer

wind gauge

Answer

hygrometer

Question 10

What is the tool below most commonly used to measure?

Accepted Answer

volume, in milliliters (ml)

Answer

weight in Newtons (N)

Answer

volume, in grams (g)

Answer

mass, in milliliters (ml)

Question 11

The image below shows an investigation. In the investigation, the student is using a spring scale to pull a 50g block across a desk. What is the investigation question? Hint: think about what is being measured.

Accepted Answer

What is the force in Newtons (N) needed to pull a 50g block across a desk?

Answer

How much mass is needed to pull a 50g block across a desk?

Answer

What is the mass in grams (g) of a block on a desk?

Answer

What is the volume of a 50g block as it is pulled across a desk?

Question 12

The image below shows a rock being measured. What tool is being used? What information is it measuring about the rock? And, how many grams is the rock?

Accepted Answer

Triple beam balance, measuring the mass, 17 g

Answer

Triple beam balance, measuring mass, 117 g

Answer

Pan balance, measuring the mass, 17 g

Answer

Triple beam balance, measuring weight, 17 g

Question 13

Which of the following tools is used to measure wind speed?

Accepted Answer

anemometer

Answer

barometer

Answer

wind vane

Answer

hygrometer

Question 14

What are the steps of the scientific method in the correct order? (choose the best answer)

Accepted Answer

Question, Research, Hypothesis, Experiment, Analyze the Data, Conclusion

Answer

Question, Hypothesis, Experiment, Research, Conclusion, Analyze the Data

Answer

Research, Question, Hypothesis, Experiment, Conclusion, Analyze the Data

Answer

Question, Hypothesis, Research, Experiment, Conclusion, Analyze the Data

Question 15

In the following image, plants A, B, and C, are being investigated. The arrows point to the different variables in the investigation (control, dependent, and independent variables). What is the independent variable in this investigation and why?

Accepted Answer

The liquid being poured on the plants, because that is what is being changed and what is being studied.

Answer

The type of plant & type of pot, because that is what stays the same for A, B, & C.

Answer

The type of plant & type of pot, because that is what is being changed and what is being studied.

Answer

The height of the plant or plant growth, because that is the outcome or thing being effected by the changes.

Question 16

In the following image, plants A, B, and C, are being investigated. The arrows point to the different variables in the investigation (control, dependent, and independent variables). What is the dependent variable in this investigation and why?

Accepted Answer

The height of the plant or plant growth, because that is the outcome or thing being effected by the changes.

Answer

The type of plant & type of pot, because that is what stays the same for A, B, & C.

Answer

The type of plant & type of pot, because that is what is being changed and what is being studied.

Answer

The liquid being poured on the plants, because that is what is being changed and what is being studied.

Question 17

In the following image, plants A, B, and C, are being investigated. The arrows point to the different variables in the investigation (control, dependent, and independent variables). What is the question being tested in this investigation?

Accepted Answer

How does the type of liquid used to water a plant effect plant growth?

Answer

How does the height of a plant effect the amount of liquid needed to water the plant?

Answer

How does the height of the plant effect the type of liquid needed to water the plant?

Answer

How does the amount of sunlight effect plant growth?

Question 18

In an investigation, when following the scientific method, what does it mean to analyze the data?

Accepted Answer

graph/organize the information collected during the experiment, so you can interpret the information and understand what you have investigated

Answer

make a summary of what you have learned about your experiment and state if your hypothesis was correct or incorrect, then explain any adjustments needed for future research

Answer

complete research about your investigation, such as, looking at if there experiments or investigations have been done or how they have been done

Answer

formulate a question, based on real world observations, then do research on the question

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