Grade 7 Quiz no. 1

How many meters are there in 52.3 kilometers?

• 0.0523 m

• 52 300 m

• 0.523

• 5230 m

You are to investigate speed of a car from different surfaces of a ramp. Which is the independent variable?

• Speed of a car

• Height of the ramp

• Type of the car

• Different surfaces of the ramp

Which is the very difficult part of the scientific method?

• Forming a conclusion

• Writing the procedures

• Stating the a good hypothesis

• Performing the experiment

Which is true about this apparatus?

• It is use measure mass of the liquid.

• It shows an accurate volume of liquid.

• It is commonly use as container for small amount of liquid.

• It is easy to use and more accurate than pipette

You are to investigate how many seeds of a plant will grow from different types of soil. Which are the two controlled variables can you use in the experiment?

• Different types of soil

• Same amount of water

• Same number of seeds

• Number of seeds that will grow

There are ____________ grams in 0.251 kilograms.

What do you call the application of science?

_____ is the study of living things and life.

There are ______ K in 100 degree Celsius.

Which of the following is correct?

• A. We use pipette to measure big amount of liquids.

• B. We use thermometer to measure how hot or how cold the object is.

• C. We use tongs to hold test tube while heating.

• D. We are allowed to taste and smell directly any chemicals in the laboratory.