What are some good 8th grade science projects?

What are some good 8th grade science projects?

40 Great Eighth Grade Science Fair Projects and Classroom Experiments

• Drop an egg to prove the first law of motion.
• Assemble a Newton’s cradle.
• Blow out a candle with a balloon.
• Relight a candle without touching it.
• Measure and compare lung capacity.
• Conduct fingerprint analysis.
• Engineer a roller coaster loop.

How do you design a simple science experiment?

1. Step 1: Define your research question and variables. You should begin with a specific research question in mind.
2. Step 2: Write your hypothesis.
3. Step 3: Design your experimental treatments.
4. Step 4: Assign your subjects to treatment groups.

What is the chemical formula for hot ice?

Sodium Acetate: a chemical compound made by combining acetic acid and sodium bicarbonate, or simply just plain old vinegar and baking soda. It is used as a flavouring ingredient in snack foods and in hand warmers. Chemical formula: CH3COONa.

Is Hot Ice dangerous?

Sodium acetate trihydrate, commonly referred to as “hot ice,” may seem like a dangerous chemical, but in reality it can be produced in your kitchen using vinegar and sodium bicarbonate (baking soda), and poses you no threat.

How do I make hot ice?

Combine baking soda and vinegar to make sodium acetate, or hot ice! It crystalizes instantly when you pour it, allowing you to create a tower of crystals. Since the process of crystallization is exothermic, the “ice” that forms will be hot to the touch. Science is so cool!

Is Hot Ice edible?

Can I Eat Hot Ice? Technically you can, but I wouldn’t recommend it. It is not toxic, but it is not edible.

Can dry ice explode in a cooler?

When dry ice “melts” it releases carbon dioxide gas which could build up inside an airtight cooler and make it explode. Users must adhere to special usage instructions and safety precautions when using dry ice.

What is the coldest ice?

Ice XIV

What is the coldest city on earth?

Yakutsk

Can ice be colder than zero?

A: Ice can certainly be much colder than 0°C. Even liquid water can be a bit colder than 0°C for a while, until it manages to find its way to the crystalline ice state.

Are we in Ice Age?

At least five major ice ages have occurred throughout Earth’s history: the earliest was over 2 billion years ago, and the most recent one began approximately 3 million years ago and continues today (yes, we live in an ice age!). Currently, we are in a warm interglacial that began about 11,000 years ago.

Did humans live in the Ice Age?

The analysis showed there were humans in North America before, during and immediately after the peak of the last Ice Age. However, it was not until much later that populations expanded significantly across the continent.

Why is it called the Ice Age?

During this time, the earth’s climate repeatedly changed between very cold periods, during which glaciers covered large parts of the world (see map below), and very warm periods during which many of the glaciers melted. The cold periods are called glacials (ice covering) and the warm periods are called interglacials.

What causes the ice age?

What causes ice-ages? Fluctuations in the amount of insolation (incoming solar radiation) are the most likely cause of large-scale changes in Earth’s climate during the Quaternary. In other words, variations in the intensity and timing of heat from the sun are the most likely cause of the glacial/interglacial cycles.

What started the last ice age?

The last ice age was 12,000 years ago. At that time the sea level was 120m lower than today. The onset of an ice age is related to changes in the Earth’s tilt and orbit. The Earth is due for another ice age now but climate change makes it very unlikely.

Did dinosaurs or Ice Age came first?

The ice age happened after the dinosaurs. The dinosaurs died out prior to the Pleistocene age, which was the last of five ice ages that spanned…

What was the first dinosaur?

Eoraptor

Did dinosaurs die in the Ice Age?

A very severe ice age could have altered climates and froze waters to the extent that dinosaurs were unable to weather the conditions, and slowly died out. Climate change could have come about because Earth somehow tilted over about 23.5 degrees around 65 million years ago.