What's the risk?
Johnny's beaker is heating on the hotplate. He decides to pick it up without using tongs. What's the risk?
He could burn his hand.
Lisa has to heat the liquid to 125℉ What tool will she need to use?
thermometer
Spring scales can be used to only measure the mass of an object.
False - It can measure the force of the object as well.
I am used to measure length, width, height, and depth, and distance.
Ruler, meter stick, yard stick
I can determine if objects are made of iron. I can either attract or repel objects.
magnet
Sarah is not wearing her goggles while mixing different liquids. What's the risk?
The chemicals could splash up into her eyes.
Rodney has to mix chemicals in a lab. Which tool will he need to keep them from splashing or spilling?
flask
Science tools purpose is to do a job that helps scientists understand the world around us.
True
I am used to calculate numerical data quickly and easily.
calculator
I have a fixed spring with a hook on the end. I can determine the mass (grams) or force (Newtons) of an object.
spring scale
Laura and Howie are playing around, and do not notice one of the test tubes is cracked. What's the risk?
It could break further. They could be injured.
Paula wants to determine if a ping pong ball has the same mass as a piece of cork. What tool will she use?
equal arm balance
A telescope can be used to view very small objects, and magnifies them to appear larger.
False - This describes a microscope.
I am used to determine the mass of a solid.
triple beam balance
I can be used to mix liquids.
stirring rod
Tammy and Sam are gathering the lab equipment. They notice that the graduated cylinder is dirty, yet decide to use it anyways. What's the risk?
It can contaminate their lab. It can react with the chemicals they are using.
Wesley and Yao want to see how sugar reacts when mixed with different liquids. They are using only small amounts of each liquid. What tool should they use?
sample wells
A beaker can be used to hold solids and liquids.
True
I am used to determine the volume of a liquid.
graduated cylinder
I can be used to close a test tube or flask to safely keep liquids contained.
rubber stoppers
David is adding a chemical to the graduated cylinder. He misread the meniscus or curved volume line of liquid. What's the risk?
He could add too much or too little liquid, and can effect the outcome of his experiment.
Damien and Devon are trying to determine which areas of the school have the most bacteria and germs. Which tool will help them grow their samples of bacteria?
petri dish
During the lab, the vinegar had the largest reaction when the baking soda was added.
False - The lemon juice had the largest reaction.
I am used to determine how long it takes a car to travel or how long a chemical reacts.
timer or stopwatch
I can be used to make distant objects look closer and bigger.
telescope